# Julian Date

> Productivity

Canonical page: [https://chrome-stats.com/d/id1124597796](https://chrome-stats.com/d/id1124597796)

## Overview

- **ID:** `id1124597796`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Jevon Charles
- **Category:** Productivity
- **Rating:** 4.80 / 5 (2,702 ratings)
- **Version:** 2.0.2
- **Last updated:** 2017-12-22
- **First published:** 2016-06-17
- **Size:** 11 MB
- **Data as of:** 2026-09-23
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/julian-date/id1124597796)

## Description

Julian Date is a lightweight Chrome extension for quick date math. It supports two conversion modes: a 5-digit Julian date (year + day of year) and a full Julian timestamp (including time). It can also convert a Julian date back to a standard calendar date.

Examples: 17180 for June 29, 2017 in 5-digit mode; 2457934.01243 for June 29, 2017 12:17:54 PM in full mode. Ideal for developers, schedulers, and anyone working with Julian dates.

## Rankings

- #34,699 — Overall
- #76 — date

## Review summary

Julian Date is a simple, dependable tool for converting between calendar and Julian dates and for counting days, widely used across industries. It’s fast and easy to use, with a clean interface. However, users raise concerns about the pricing model (unexpected in-app purchases and monthly charges) and the absence of Apple Watch support or complications.

### Pros

- Easy to use with a clean, simple interface that makes Julian dates quick to interpret.
- Bidirectional date conversion between calendar dates and Julian dates, plus the ability to count days from the start of the year.
- Practical across many industries (aviation, QA, manufacturing, software) for date codes, lot tracking, and due-date calculations.
- Reliable and dependable—does exactly what it’s designed to do.

### Cons

- Pricing and in-app purchases: users report unexpected charges (monthly fees) and taps triggering purchases, with unclear pricing.
- Lack of Apple Watch support: multiple reviews express a desire for an Apple Watch complication or watch app.

## Similar extensions and apps

- [JulianCal](https://chrome-stats.com/d/id6757821490)
- [365 Days Calendar](https://chrome-stats.com/d/id6446790328) — 4.70 / 5
- [Julian - Quick Dates](https://chrome-stats.com/d/id1084251583) — 4.80 / 5
- [Julian Calendar](https://chrome-stats.com/d/id6478984683) — 4.60 / 5
- [Julianator](https://chrome-stats.com/d/id383950353) — 4.70 / 5
- [STAR CALENDAR CALCULATOR](https://chrome-stats.com/d/id1671957657) — 5.00 / 5
- [Age Calculator: Date of Birth](https://chrome-stats.com/d/id6748220494)
- [DayDistance](https://chrome-stats.com/d/id408243453)
- [Julian Clock](https://chrome-stats.com/d/id959214765) — 4.90 / 5
- [What The Date](https://chrome-stats.com/d/id6453690421) — 5.00 / 5
- [Days-to-Date](https://chrome-stats.com/d/id1037184540)
- [Annul Cell: Approax Metric](https://chrome-stats.com/d/id6773248373)

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1124597796)