International Fixed Calendar

Name: International Fixed Calendar
Rating: 3.2 (12 reviews)
Author: Darren Maxwell

By: Darren Maxwell

Utilities

Features & Capabilities

This app will allow you to check dates on the International Fixed Calendar. It also includes widgets, an Apple Watch App, and Apple Watch Complications so you can always know which date it is!

The International Fixed Calendar was a planned calendar reform which added a new month, Sol, between June and July. The International Fixed Calendar therefore had 13 equal months fixed in size with 28 days each. The calendar system brought a number of great benefits, but humanity decided it would be a better idea to have another giant war instead and the plans were shelved. Good job humanity!

Despite this the Kodak company used the calendar internally between 1928 and 1989. If you're a time traveling Kodak employee who owns an Apple Watch then this is the app for you!

User Growth & Download Statistics

App

By:

Darren Maxwell

Rating:

3.20

(12)

Version:

2.2 Last updated: 2024-09-12

Version code:

868215613

Creation date:

2016-04-27

Compatible devices:

Size:

1.13MB

URLs:

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-06-07

Compare stats and ranking:

Ranking

# 413,573 ▼ 2,238

For Developers

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Contact the developer

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Developed by:

Darren Maxwell

Apple Apps Store

https://apps.apple.com/us/app/international-fixed-calendar/id1107327564

User Reviews

If you know the sun, the moon, and the constellations but don’t know the day of the week you celebrate year after year on your birthday, this app is for you.

by IT*****, 2026-03-10

I’m almost positive the spring equinox is April 1st. The day that turns life around. When all starts new. Days get longer, temp gets warmer. It’s important to get this correct for Christianity because it’s also our saviors birthday as well.

by Tr*****, 2026-03-09

I like this very much for reference and orientation to the Gregorian date. One thing that would be very valuable is an overview showing the whole year and current highlighted date (flowed for both portrait and landscape). Another thing that might be nice is an about/info screen that gives basic IFC/Eastman/Cotsworth information.