Project Date Calculator

1+
Downloads
Content rating
Everyone
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About this app

** A true project managers date calculator!! **
Use to calculate days, weeks, months, and years in elapsed days, business days, 9/80 days (or 540 days), or 4x 10 hr days, from one day to another.
** No ADs!! No Permissions **

** Quickly calculate the number of days between two dates.
- Counts elapsed days
(counts all days Mon/Tue/Wed/Thur/Fri/Sat/Sun)
- Counts standard/business working days
(counts only Mon/Tue/Wed/Thur/Fri)
- Counts 9/80 work days too!
(counts only Mon/Tue/Wed/Thur & skips every other Friday)
- Counts 4x 10 hr work days too!
(counts only Mon/Tue/Wed/Thur & skips every Friday)

** Count backward dates (all modes)
** Compute days, weeks, months, and years (e-Days & Std-Days)

** Custom date selection user interface for FAST date selection (pick a date just like on your calendar) see screen shots below. If you like the old way, it's supported too! Just tap the "Go To" Button and enter.

** History button saves last 10 day sets calculated

** Day Counts button generates a calculation summary that you can share text with other applications.

** Calculations line up and work just like desktop scheduling programs but quickly and in your phone!!

** Dark Mode option, and several other settings.
** Support for Italian language care of a long time user's support!
Updated on
Dec 10, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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App support

About the developer
James Beam
support@jimsjump.com
1131 Hallwood Ln Montgomery, AL 36117-8867 United States

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