This library was originally made before os.date() was added to the game. Now it just provides some additional methods to simplify time and date related questions. For example determining if a year is a leap year, or a timestamp is in the current trading week.
This library was originally made before os.date() was added to the game. Now it just provides some additional methods to simplify time and date related questions. For example determining if a year is a leap year, or a timestamp is in the current trading week.
Linux users: Due to a bug in Wine you will need to install a patched version of Proton, which you can find here (props to chuck-r!).
Rejoice! The bug has been fixed in Wine 5.0 and the latest version of Proton. Thanks again chuck-r for a job well done!
Documentation will follow one day.
ABOUT THIS LISTING
This page describes LibDateTime by sirinsidiator. The description and screenshots are the author's own, imported from their listing on ESOUI on 24 October 2026: https://www.esoui.com/downloads/info2277-LibDateTime.html
Mythiq.net hosts no files for it. The download button goes straight to the release file on cdn.esoui.com, so you are downloading from the author's own host, not from a copy of ours.
The download count, rating and comments on this page start at zero and count Mythiq.net only. The source's own figures are not copied here — they measure a different site, and a number that cannot be checked against our own ledger is not worth printing.
Requirements
Game versions
11.0.0
10.3.5
API VERSION
Built for ESO API version 11.0.0, 10.3.5. After a patch the game marks add-ons built for the previous API as out of date; the "Allow out of date add-ons" checkbox in the add-on menu loads them anyway, and most work.
LIBRARIES
Many ESO add-ons depend on a shared library — LibAddonMenu-2.0 above all — which is installed separately, exactly like an add-on. A dependency that is missing shows as the add-on simply not appearing in the list.
CONSOLE
Add-ons are PC and Mac only. There is no way to load them on console.
Installation
1. Download the archive with the button on this page and unzip it.
2. Move the unzipped folder into your add-ons directory:
Windows — Documents\Elder Scrolls Online\live\AddOns
3. Start the game, and at the character select screen click Add-Ons.
4. Tick the add-on. If it is greyed out and marked out of date, tick "Allow out of date add-ons" at the top of the same panel.
5. Log in. Most add-ons need a /reloadui after they are first enabled.
UPDATING
Delete the old folder first. ESO loads everything it finds, and two copies of one add-on is the usual cause of "an add-on has produced an error" on login.
This release downloads from cdn.esoui.com, not from us, so
there is no checksum to compare against. Scan the archive before you unpack it.
Version history
v1.2.0Latest
2 May 2025 · 7.7 KB via cdn.esoui.com · 0 downloads Download
v1.2.0
- added compatibility for console
- added license information
- migrated test suite to Taneth
- fixed CalculateTimeStamp not working correctly for inputs with minutes
- updated API version for Seasons of the Worm Cult Part 1
v1.1.1
- fixed incorrect trading week getting returned during the last week of 2020 (202153 instead of 202053)
- added new function to get number of days in a month
v1.1.0
- added new functions for resolving trading days
- updated API version for Markarth
v1.0.4
- fixed incorrect trading week getting returned during the first week of some years (e.g. 201901 instead of 202001)
- updated API version for Dragonhold
v1.0.3
- fixed incorrect trading week getting returned when guild system is down
v1.0.2
- added IsLibrary flag to manifest
- updated API version for Elsweyr
v1.0.1
- no real changes, just some code cleanup
Off-site on cdn.esoui.com —
no checksum, because we never held this file.
Link checked by our review team on 25 Oct 2026.
Tell us if something is wrong — a file that will not work, content taken from
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