# Date Calculator - Time & Age

> Accurate age calculation & precise date-time arithmetic, including milliseconds

Canonical page: [https://chrome-stats.com/d/com.deep.datecalculator](https://chrome-stats.com/d/com.deep.datecalculator)

## Overview

- **ID:** `com.deep.datecalculator`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Deepak Kulkarni
- **Category:** TOOLS
- **Downloads:** 72,813
- **Rating:** 4.12 / 5 (259 ratings)
- **Version:** 1.3.4
- **Last updated:** 2026-05-08
- **First published:** 2021-05-21
- **Publisher country:** IN
- **Size:** 8.05 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.deep.datecalculator)
- **Website:** [http://allinonecal.com/](http://allinonecal.com/)
- **Privacy policy:** [http://allinonecal.com/privacy\_policy.html](http://allinonecal.com/privacy_policy.html)

## Description

The Date Calculator - Time & Age Chrome extension is your ultimate time management tool, designed to simplify complex date and time calculations. With features like an accurate Age Calculator that breaks down age to years, months, and seconds, and a Duration Calculator providing precise time differences, it's perfect for daily use. Whether you need to add or subtract dates, set event countdowns, or calculate working days considering customizable holidays and weekends, this extension has you covered.

Additional features include a World Time Converter for effortless time zone adjustments, a Time Card & Time-sheet utility ideal for employees and freelancers to track hours and pay, and a Time Unit Converter to switch between different time measurements. Customize your experience with dark mode and stylish themes to suit your preferences. This free, user-friendly extension streamlines your scheduling, planning, and time-tracking needs, making everyday time arithmetic fast and reliable.

## Rankings

- #254,910 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.deep.datecalculator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Users praise the app for its simple, clean interface and accurate, comprehensive features covering age, duration, and working days calculations. It serves as a reliable and helpful tool for date and time planning. Common criticisms include the rotary date picker being less user-friendly than a traditional calendar view, a missing 'now' button for quick date resets, lack of alarm or reminder features, inability to backup data, and desires for more customization options such as excluding certain date ranges and including minutes in time card calculations.

### Pros

- Simple and clean user interface making the app easy and straightforward to use
- Highly accurate in date and time calculations
- Comprehensive features including age, duration, working days, and time cards
- Helpful and reliable tool for planning events and routine day calculations
- Useful for calculating days, hours, and time intervals

### Cons

- Lack of a normal calendar view for date selection; rotary date picker seen as less efficient
- No 'now' button to quickly return to the current date after changing dates
- Absence of alarm, reminder, or notification features for countdowns and other functions
- No option to save app data to device storage or perform backups
- Requests for additional customization such as excluding specific date ranges and including minutes in time card calculations

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.deep.datecalculator)