Deployments/Yearly calendar

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Below is an extended forecast for the days on which deployment slots on the calendar won't be made and weeks in which the deployment train will not run.

Calendar

This is a naïve estimate based on the idea that any WMF holiday that does not fall on a Monday or a Friday makes the week a non-train week.


See also the calendar for 2023.

Deployment disruptions, 2024
What When Deployment decision What happened?
New Year's Day Mon 1 Jan No deploys No MW deploys
Martin Luther King Jr Day Mon 15 Jan No UTC Late backport window 2× MW deploys
U.S. Presidents' Day Mon 19 Feb No UTC Late backport window No MW deploys
Northward Switchover: Services + Traffic Tue 19 Mar Deployments run as normal. Switchover window: 14:00-15:00 UTC
Northward Switchover: Mediawiki Wed 20 Mar Deployments run as normal. Switchover window: 14:00-15:00 UTC
Earth Day Mon 22 Apr No deploys
U.S. Memorial Day Mon 27 May No UTC Late backport window
Juneteenth Wed 19 Jun No UTC Late backport window
Fourth of July Thu 4 Jul No UTC Late backport window
U.S. July Holiday Fri 5 Jul No deploys (not that there are ever deploys on Friday)
International Day of the World’s Indigenous Peoples Fri 9 Aug No deploys (not that there are ever deploys on Friday)
U.S. Labor Day Mon 2 Sep No UTC Late backport window
Southward Switchover: Services + Traffic Tue 23 Sept Deployments run as normal. Switchover window: 14:00-15:00 UTC
Southward Switchover: Mediawiki Wed 20 Sept Deployments run as normal. Switchover window: 14:00-15:00 UTC
Columbus Day (also Indigenous Peoples' Day) Mon 14 Oct No UTC Late backport window
Veterans' Day Mon 11 Nov No UTC Late backport window
U.S. Thanksgiving + Day after Thanksgiving Thu 28 & Fri 29 Nov No Train, and no deploys those days
End of Year Holiday Tues 24 Dec – Wed 1 Jan No Train or deploys
1st week of 2025 (silent work week (if the WMF keeps quiet week)) Tues 06 Jan, 2025 – Thu 08 Jan, 2025 No Train