# Date Calculator

> All-in-one date, time, calendar, age, and pregnancy calculator. Easy & accurate!

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

## Overview

- **ID:** `com.leonw.datecalculator`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Noel Chew
- **Category:** TOOLS
- **Downloads:** 651,012
- **Rating:** 4.59 / 5 (3,929 ratings)
- **Version:** 2.0.5
- **Last updated:** 2026-02-12
- **First published:** 2015-12-09
- **Publisher country:** MY
- **Size:** 20 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.leonw.datecalculator)
- **Website:** [https://date-calculator.app](https://date-calculator.app/)
- **Privacy policy:** [https://link2get.app/link/date-calculator/7Cozj](https://link2get.app/link/date-calculator/7Cozj)

## Description

Discover the ultimate Date Calculator Chrome extension that simplifies your time management with precise and diverse date calculations. Features include calculating the duration between two dates, adding or subtracting time from dates, and converting across multiple calendar systems like Gregorian, Julian, Islamic, Persian, and more. It also offers time and time zone conversion, working days and hours calculation, an age calculator, plus ovulation and pregnancy trackers.

Perfect for event planners, professionals, expectant parents, and students, this tool combines usability with powerful features in one convenient extension. Manage your milestones, deadlines, and international meetings effortlessly with accurate and reliable calculations. Download now to streamline your date and time tasks!

## Rankings

- #86,785 — 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.POST_NOTIFICATIONS`
- `android.permission.READ_BASIC_PHONE_STATE`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.leonw.datecalculator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Overall, users praise Date Calculator for being easy to use and powerful for date math, including multi-date calculations. It’s appreciated as ad-free and useful for work. However, multiple reviews flag accuracy problems (extra day, incorrect month totals, 30-day month assumption) and request better date-format customization. The app is viewed positively and commonly recommended, with specific calls for improvement in precision and formatting flexibility.

### Pros

- Easy to use and straight to the point
- Strong calculation features for days, hours, minutes, and seconds
- Multi-date/time calculator capabilities
- No ads and the free version provides the needed information
- Well maintained and updated/reliable

### Cons

- Calculation accuracy issues (extra day added, total months wrong, and 30-day month assumption)
- Date format customization missing or not easily configurable (need options like MM/dd/yyyy, dd/MM/yyyy, yyyy/MM/dd) and cross-format support

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