Join or Sign In

Sign in to add and modify your software

Continue with Facebook Continue with email

By joining, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.

Time Calculator for Android

By nummolt Free

Developer's Description

Time Elapsed / Time Countdown Time Calculator

Shows Time and Date in the right place value position.

Use Time Calculator to calculate the time subtraction between 2 dates:

You can fix a date in the past and subtract it from the present time: You get the elapsed time.

You can fix a date in the future and subtract the present time: You get the countdown to the fixed date.

(Light gray dates are in the past; Light green dates are in the future)

Not available for dates earlier than 1582.

(Due to the Gregorian Calendar)

Stopwatch and a countdown counter.

Android version of:


A work in collaboration and for MathCats in 2002

(Wendy Petti and Maurici Carb)

Practical applications proposed by users:

-. Useful to calculate demurrage. (

-. Useful for calculating maintenance times

-. To calculate amount of pills of a medical treatment.

-. Calculate the number of days, or hours, or minutes, or seconds, remaining until retirement.

-. How old am I?

-. How old are you?

-. How many months, or weeks, or days, or hours, or minutes, or seconds are there in 1000 years?

-. Estimate the number of heartbeats throughout life at this time.

- multiplying lived minutes by a number between 60 and 100 for human beings.

- minutes, multiplied by 500 in the case of mice.

- minutes, multiplied by 28 in the case of elephants.

- minutes, multiplied by 6 in the case of the giant Galapagos tortoise.

-. Estimate the number of breaths made throughout life at this time: (for human beings)

- birth to 6 weeks: 3060 breaths per minute

- 6 months: 2540 breaths per minute

- 3 years: 2030 breaths per minute

- 6 years: 1825 breaths per minute

- 10 years: 1520 breaths per minute

- adults: 1220 breaths per minute

Date and time difference calculator app:

Developed by:

In collaboration with

Nummolt Blog: Mathematical engine mill:

Nummolt Apps: 'Not montessori per se, but montessori-like'

Full Specifications

What's new in version 1.3.1


Release October 22, 2020
Date Added October 22, 2020
Version 1.3.1

Operating Systems

Operating Systems Android
Additional Requirements Requires Android 4.0 and up


Total Downloads 0
Downloads Last Week 0
Report Software

Related Apps



Star Chart

Star Chart

Bible for Kids

Bible for Kids

CES 6.0.0 Answers

CES 6.0.0 Answers

Best VPN Services for 2021

Best for privacy

3 months free with 1-year plan

Best for customer support

$39.99 for the first 12 months

Best for zero logs

$4.87.99/months for a 1-year plan

Best money-back guarantee

$2.99/months for a 3-year plan