七麦数据

The all-in-one time calculator, calendar calculator and time difference computer for everyday life, travel, study, and work.

Whether you’re looking to convert between different systems, or calculate precise time spans, this app puts everything in one easy-to-use tool.

Reviews :
"I highly recommend this app for anyone who has to deal with TIME alot!" Nate

"I cannot live without it!! It makes my job do much easier. Great app!!!!" Leah

"Excellent, just flat out excellent. Better than I needed!" Mr J Driver

Key Features
• Calculate time in columns like a tape calculator
• Covert between different units of time
• Lunar Calendar — View moon phases and lunar calendar data at a glance.
• Julian Dates — Instantly compute Julian day numbers for any date.
• Julian → Date Converter — Convert Julian numbers back into calendar dates with ease.

Powerful Time Tools
• Pilot Time - Flight planning helper: ETA/ETE, groundspeed, endurance, and fuel calculations.
• Day Difference — Find the exact number of days between two dates.
• Time Difference (12h & 24h) — Calculate elapsed time in your preferred format.
• Time Column Calculators — Convert and compute using:
• DD:HH:MM:SS
• HH:MM
• MM:SS
• Multiply Time Partition — Scale time partitions by a factor for schedules, projects, or billing.

Why You’ll Love It
• Simple, clear interface with no clutter.
• Multiple calendars in one place — perfect for planners, educators, researchers, and travelers.
• Accurate time and date calculations for study, business, or personal use.
• One tap to switch between formats, making it flexible for every need.

Perfect For
• Students and researchers working with historical dates.
• Faith communities tracking liturgical or religious calendars.
• Professionals needing quick time conversions.
• Anyone curious about the connection between calendars and timekeeping.

This app features:

• Send your calculations or conversions by email
• Universal App (iPhone, iPod Touch, and iPad)
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs
• All iPhone are supported
• All iPhone screens are supported
• Latest version of iOS is supported

No network connectivity required.

The all-in-one time calculator, calendar calculator and time difference computer for everyday life, travel, study, and work.

Whether you’re looking to convert between different systems, or calculate precise time spans, this app puts everything in one easy-to-use tool.

Reviews :
"I highly recommend this app for anyone who has to deal with TIME alot!" Nate

"I cannot live without it!! It makes my job do much easier. Great app!!!!" Leah

"Excellent, just flat out excellent. Better than I needed!" Mr J Driver

Key Features
• Calculate time in columns like a tape calculator
• Covert between different units of time
• Lunar Calendar — View moon phases and lunar calendar data at a glance.
• Julian Dates — Instantly compute Julian day numbers for any date.
• Julian → Date Converter — Convert Julian numbers back into calendar dates with ease.

Powerful Time Tools
• Pilot Time - Flight planning helper: ETA/ETE, groundspeed, endurance, and fuel calculations.
• Day Difference — Find the exact number of days between two dates.
• Time Difference (12h & 24h) — Calculate elapsed time in your preferred format.
• Time Column Calculators — Convert and compute using:
• DD:HH:MM:SS
• HH:MM
• MM:SS
• Multiply Time Partition — Scale time partitions by a factor for schedules, projects, or billing.

Why You’ll Love It
• Simple, clear interface with no clutter.
• Multiple calendars in one place — perfect for planners, educators, researchers, and travelers.
• Accurate time and date calculations for study, business, or personal use.
• One tap to switch between formats, making it flexible for every need.

Perfect For
• Students and researchers working with historical dates.
• Faith communities tracking liturgical or religious calendars.
• Professionals needing quick time conversions.
• Anyone curious about the connection between calendars and timekeeping.

This app features:

• Send your calculations or conversions by email
• Universal App (iPhone, iPod Touch, and iPad)
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs
• All iPhone are supported
• All iPhone screens are supported
• Latest version of iOS is supported

No network connectivity required.

Introducing Time Calculator+ - the simple and easy way to manage your time! This powerful app allows you to quickly and easily calculate time durations, add and subtract times, and convert between different time units.

With a clean and intuitive user interface, Time Calculator+ makes it easy to perform even the most complex time calculations. Simply enter your starting and ending times, and the app does the rest. You can even save your calculations for future reference.

Whether you're a professional, student, or just trying to keep track of your daily schedule, Time Calculator+ is the perfect app for you.

Time calculator functions list

1) Time Columns (Days:Hours:Minutes:Seconds)
2) Time Columns (Hours:Minutes:Seconds)
3) Time Columns (Hours:Minutes)
3) Time Columns (Minutes:Seconds)
4) Multiply Time
5) Divide Time
6) Time Difference (24 Hr Clock)
7) Time Difference (AM:PM Clock)
8) Date Difference Calculator & Day of Year Converter (Julian Day)
9) Units of Time Conversion
10) Date Add and Subtract Calculator

The Time Columns Calculators use time expressions in a vertical list and applies addition and subtraction to produce the total as accumulated time. This can be sent as email and/or saved.

Example - using the Days:Hours:Minutes:Seconds - format

Accumulated Times:
1:08:03:00
-0:05:06:00
-0:09:00:00

Calculated Time:
0:17:57:00

Example - using the Hours:Minutes - format

Accumulated Times:
18:03
-05:06
-09:00

Calculated Time:
3:57

The Multiply Time Calculator multiplies an amount of time against a decimal number and converts the result to a time expression and the total in four different time units: Days, Hours, Minutes, and Seconds.

The Divide Time Calculator divides an amount of time against a decimal number and converts the result to a time expression and the total in four different time units: Days, Hours, Minutes, and Seconds.

The Time Difference (24 Hr Clock) Calculator works out the difference between two periods of time using Military Time units for a period within 24 hours.

The Time Difference (12 Hr Clock) Calculator works out the difference between two periods of time using AM/PM Time units for a period within 24 hours.

The Time Unit Conversion will convert an amount of time using Days, Hours, Minutes, and Seconds into a four difference totals: Total Days, Total Hours, Total Minutes, and Total Seconds.

A Solar Day calendar for your location is included which uses location-based formulas to determine sunrise and sunset times to the second.

This app features:

• Send your calculations or conversions by email
• Universal App (iPhone, iPod Touch, and iPad)
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs
• All iPhone are supported
• All iPhone screens are supported
• Latest version of iOS is supported

No network connectivity required.

--------------
Reviews :
"I highly recommend this app for anyone who has to deal with TIME alot!" Nate

"I cannot live without it!! It makes my job do much easier. Great app!!!!" Leah

"Excellent, just flat out excellent. Better than I needed!" Mr J Driver

Introducing Time Calculator+ - the simple and easy way to manage your time! This powerful app allows you to quickly and easily calculate time durations, add and subtract times, and convert between different time units.

With a clean and intuitive user interface, Time Calculator+ makes it easy to perform even the most complex time calculations. Simply enter your starting and ending times, and the app does the rest. You can even save your calculations for future reference.

Whether you're a professional, student, or just trying to keep track of your daily schedule, Time Calculator+ is the perfect app for you. Download it now and start managing your time like a pro!

Time calculator functions list

1) Time Columns (Days:Hours:Minutes:Seconds)
2) Time Columns (Hours:Minutes:Seconds)
3) Time Columns (Hours:Minutes)
3) Time Columns (Minutes:Seconds)
4) Multiply Time
5) Divide Time
6) Time Difference (24 Hr Clock)
7) Time Difference (AM:PM Clock)
8) Date Difference Calculator & Day of Year Converter (Julian Day)
9) Units of Time Conversion
10) Date Add and Subtract Calculator
11) Day of Year to Date Converter
12) Date to Day of Year Converter

EXTRA: Solar Day events for Sunrise/Sunset, Dawn, Dusk, and Noon.

The Time Columns Calculators use time expressions in a vertical list and applies addition and subtraction to produce the total as accumulated time. This can be sent as email and/or saved.

Example - using the Days:Hours:Minutes:Seconds - format

Accumulated Times:
1:08:03:00
-0:05:06:00
-0:09:00:00

Calculated Time:
0:17:57:00

Example - using the Hours:Minutes - format

Accumulated Times:
18:03
-05:06
-09:00

Calculated Time:
3:57

The Multiply Time Calculator multiplies an amount of time against a decimal number and converts the result to a time expression and the total in four different time units: Days, Hours, Minutes, and Seconds.

The Divide Time Calculator divides an amount of time against a decimal number and converts the result to a time expression and the total in four different time units: Days, Hours, Minutes, and Seconds.

The Time Difference (24 Hr Clock) Calculator works out the difference between two periods of time using Military Time units for a period within 24 hours.

The Time Difference (12 Hr Clock) Calculator works out the difference between two periods of time using AM/PM Time units for a period within 24 hours.

The Time Unit Conversion will convert an amount of time using Days, Hours, Minutes, and Seconds into a four difference totals: Total Days, Total Hours, Total Minutes, and Total Seconds.

A Solar Day calendar for your location is included which uses location-based formulas to determine sunrise and sunset times to the second.

This app features:

• Send your calculations or conversions by email
• Universal App (iPhone, iPod Touch, and iPad)
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs
• All iPhone are supported
• All iPhone screens are supported
• Latest version of iOS is supported

No network connectivity required.

--------------
Reviews :
"I highly recommend this app for anyone who has to deal with TIME alot!" Nate

"I cannot live without it!! It makes my job do much easier. Great app!!!!" Leah

"Excellent, just flat out excellent. Better than I needed!" Mr J Driver

The Time Calculator+ is the best time calculator app in the store. The app consists of a dozen date and time calculators in a single app, and is designed for both right-handed and left-handed people.

Time calculator functions list

1) Time Columns (Days:Hours:Minutes:Seconds)
2) Time Columns (Hours:Minutes:Seconds)
3) Time Columns (Hours:Minutes)
3) Time Columns (Minutes:Seconds)
4) Multiply Time
5) Divide Time
6) Time Difference (24 Hr Clock)
7) Time Difference (AM:PM Clock)
8) Date Difference Calculator & Day of Year Converter (Julian Day)
9) Units of Time Conversion
10) Date Add and Subtract Calculator
11) Day of Year to Date Converter
12) Date to Day of Year Converter

EXTRA: Solar Day events for Sunrise/Sunset, Dawn, Dusk, and Noon.

The Time Columns Calculators use time expressions in a vertical list and applies addition and subtraction to produce the total as accumulated time. This can be sent as email and/or saved.

Example - using the Days:Hours:Minutes:Seconds - format

Accumulated Times:
1:08:03:00
-0:05:06:00
-0:09:00:00

Calculated Time:
0:17:57:00

Example - using the Hours:Minutes - format

Accumulated Times:
18:03
-05:06
-09:00

Calculated Time:
3:57

The Multiply Time Calculator multiplies an amount of time against a decimal number and converts the result to a time expression and the total in four different time units: Days, Hours, Minutes, and Seconds.

The Divide Time Calculator divides an amount of time against a decimal number and converts the result to a time expression and the total in four different time units: Days, Hours, Minutes, and Seconds.

The Time Difference (24 Hr Clock) Calculator works out the difference between two periods of time using Military Time units for a period within 24 hours.

The Time Difference (12 Hr Clock) Calculator works out the difference between two periods of time using AM/PM Time units for a period within 24 hours.

The Time Unit Conversion will convert an amount of time using Days, Hours, Minutes, and Seconds into a four difference totals: Total Days, Total Hours, Total Minutes, and Total Seconds.

A Solar Day calendar for your location is included which uses location-based formulas to determine sunrise and sunset times to the second.

This app features:

• Send your calculations or conversions by email
• Universal App (iPhone, iPod Touch, and iPad)
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs
• All iPhone are supported
• All iPhone screens are supported
• Latest version of iOS is supported

No network connectivity required.

--------------
Reviews :
"I highly recommend this app for anyone who has to deal with TIME alot!" Nate

"I cannot live without it!! It makes my job do much easier. Great app!!!!" Leah

"Excellent, just flat out excellent. Better than I needed!" Mr J Driver

The Time Calculator+ is the best time calculator app in the store. The app consists of a dozen date and time calculators in a single app, and is designed for both right-handed and left-handed people.

Time calculator functions list

1) Time Columns (Days:Hours:Minutes:Seconds)
2) Time Columns (Hours:Minutes:Seconds)
3) Time Columns (Hours:Minutes)
3) Time Columns (Minutes:Seconds)
4) Multiply Time
5) Divide Time
6) Time Difference (24 Hr Clock)
7) Time Difference (AM:PM Clock)
8) Date Difference Calculator & Day of Year Converter (Julian Day)
9) Units of Time Conversion
10) Date Add and Subtract Calculator
11) Day of Year to Date Converter
12) Date to Day of Year Converter

EXTRA: Solar Day events for Sunrise/Sunset, Dawn, Dusk, and Noon.

The Time Columns Calculators use time expressions in a vertical list and applies addition and subtraction to produce the total as accumulated time. This can be sent as email and/or saved.

Example - using the Days:Hours:Minutes:Seconds - format

Accumulated Times:
1:08:03:00
-0:05:06:00
-0:09:00:00

Calculated Time:
0:17:57:00

Example - using the Hours:Minutes - format

Accumulated Times:
18:03
-05:06
-09:00

Calculated Time:
3:57

The Multiply Time Calculator multiplies an amount of time against a decimal number and converts the result to a time expression and the total in four different time units: Days, Hours, Minutes, and Seconds.

The Divide Time Calculator divides an amount of time against a decimal number and converts the result to a time expression and the total in four different time units: Days, Hours, Minutes, and Seconds.

The Time Difference (24 Hr Clock) Calculator works out the difference between two periods of time using Military Time units for a period within 24 hours.

The Time Difference (12 Hr Clock) Calculator works out the difference between two periods of time using AM/PM Time units for a period within 24 hours.

The Time Unit Conversion will convert an amount of time using Days, Hours, Minutes, and Seconds into a four difference totals: Total Days, Total Hours, Total Minutes, and Total Seconds.

A Solar Day calendar for your location is included which uses location-based formulas to determine sunrise and sunset times to the second.

This app features:

• Send your calculations or conversions by email
• Universal App (iPhone, iPod Touch, and iPad)
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs
• All iPhone are supported
• All iPhone screens are supported
• Latest version of iOS is supported

No network connectivity required.

--------------
Reviews :
"I highly recommend this app for anyone who has to deal with TIME alot!" Nate

"I cannot live without it!! It makes my job do much easier. Great app!!!!" Leah

"Excellent, just flat out excellent. Better than I needed!" Mr J Driver

The Time Calculator+ is the best time calculator app in the store. The app consists of a dozen date and time calculators in a single app, and is designed for both right-handed and left-handed people.

Time calculator functions list

1) Time Columns (Days:Hours:Minutes:Seconds)
2) Time Columns (Hours:Minutes:Seconds)
3) Time Columns (Hours:Minutes)
3) Time Columns (Minutes:Seconds)
4) Multiply Time
5) Divide Time
6) Time Difference (24 Hr Clock)
7) Time Difference (AM:PM Clock)
8) Date Difference Calculator & Day of Year Converter (Julian Day)
9) Units of Time Conversion
10) Date Add and Subtract Calculator
11) Day of Year to Date Converter
12) Date to Day of Year Converter

EXTRA: Solar Day events for Sunrise/Sunset, Dawn, Dusk, and Noon.

The Time Columns Calculators use time expressions in a vertical list and applies addition and subtraction to produce the total as accumulated time. This can be sent as email and/or saved.

Example - using the Days:Hours:Minutes:Seconds - format

Accumulated Times:
1:08:03:00
-0:05:06:00
-0:09:00:00

Calculated Time:
0:17:57:00

Example - using the Hours:Minutes - format

Accumulated Times:
18:03
-05:06
-09:00

Calculated Time:
3:57

The Multiply Time Calculator multiplies an amount of time against a decimal number and converts the result to a time expression and the total in four different time units: Days, Hours, Minutes, and Seconds.

The Divide Time Calculator divides an amount of time against a decimal number and converts the result to a time expression and the total in four different time units: Days, Hours, Minutes, and Seconds.

The Time Difference (24 Hr Clock) Calculator works out the difference between two periods of time using Military Time units for a period within 24 hours.

The Time Difference (12 Hr Clock) Calculator works out the difference between two periods of time using AM/PM Time units for a period within 24 hours.

The Time Unit Conversion will convert an amount of time using Days, Hours, Minutes, and Seconds into a four difference totals: Total Days, Total Hours, Total Minutes, and Total Seconds.

A Solar Day calendar for your location is included which uses location-based formulas to determine sunrise and sunset times to the second.

This app features:

• Send your calculations or conversions by email
• Universal App (iPhone, iPod Touch, and iPad)
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs
• All iPhone are supported
• All iPhone screens are supported
• Latest version of iOS is supported

No network connectivity required.

--------------
Reviews :
"I highly recommend this app for anyone who has to deal with TIME alot!" Nate

"I cannot live without it!! It makes my job do much easier. Great app!!!!" Leah

"Excellent, just flat out excellent. Better than I needed!" Mr J Driver

The Time Calculator+ is the best time calculator app in the store. The app consists of a dozen date and time calculators in a single app, and is designed for both right-handed and left-handed people.

Time calculator functions list

1) Time Columns (Days:Hours:Minutes:Seconds)
2) Time Columns (Hours:Minutes:Seconds)
3) Time Columns (Hours:Minutes)
3) Time Columns (Minutes:Seconds)
4) Multiply Time
5) Divide Time
6) Time Difference (24 Hr Clock)
7) Time Difference (AM:PM Clock)
8) Date Difference Calculator & Day of Year Converter (Julian Day)
9) Units of Time Conversion
10) Date Add and Subtract Calculator
11) Day of Year to Date Converter
12) Date to Day of Year Converter

EXTRA: Solar Day events for Sunrise/Sunset, Dawn, Dusk, and Noon.

The Time Columns Calculators use time expressions in a vertical list and applies addition and subtraction to produce the total as accumulated time. This can be sent as email and/or saved.

Example - using the Days:Hours:Minutes:Seconds - format

Accumulated Times:
1:08:03:00
-0:05:06:00
-0:09:00:00

Calculated Time:
0:17:57:00

Example - using the Hours:Minutes - format

Accumulated Times:
18:03
-05:06
-09:00

Calculated Time:
3:57

The Multiply Time Calculator multiplies an amount of time against a decimal number and converts the result to a time expression and the total in four different time units: Days, Hours, Minutes, and Seconds.

The Divide Time Calculator divides an amount of time against a decimal number and converts the result to a time expression and the total in four different time units: Days, Hours, Minutes, and Seconds.

The Time Difference (24 Hr Clock) Calculator works out the difference between two periods of time using Military Time units for a period within 24 hours.

The Time Difference (12 Hr Clock) Calculator works out the difference between two periods of time using AM/PM Time units for a period within 24 hours.

The Time Unit Conversion will convert an amount of time using Days, Hours, Minutes, and Seconds into a four difference totals: Total Days, Total Hours, Total Minutes, and Total Seconds.

A Solar Day calendar for your location is included which uses location-based formulas to determine sunrise and sunset times to the second.

This app features:

• Send your calculations or conversions by email
• Universal App (iPhone, iPod Touch, and iPad)
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs
• All iPhone are supported
• All iPhone screens are supported
• Latest version of iOS is supported

No network connectivity required.

--------------
Reviews :
"I highly recommend this app for anyone who has to deal with TIME alot!" Nate

"I cannot live without it!! It makes my job do much easier. Great app!!!!" Leah

"Excellent, just flat out excellent. Better than I needed!" Mr J Driver