Yesterday's Date - What Was The Date Yesterday?

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Yesterday's date in numbers

Date Format	Date Yesterday
mm/dd/yyyy	05/19/2025
dd/mm/yyyy	19/05/2025
yyyy-mm-dd	2025-05-19
yyyy-dd-mm	2025-19-05

Yesterday's Day of The Week

The day of the week yesterday was Monday, and its abbreviation is Mon. In most parts of the world, Monday day number of the week is 1, while in the United States it is 2

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What Day of The Year was it Yesterday's Date?

Yesterday's day number of the year was 139

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Week Number of the Year Yesterday

Yesterday's was week number 21 of the year 2025

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Yesterday's Month Number

The month number of yesterday's date was 5, the month of May.

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Yesterday's UTC Date in Other Date Formats

Date Format	Date Yesterday
ISO-8601	2025-05-19T02:30:26+00:00
RFC 2822	Mon, 19 May 2025 02:30:26 +0000
Ordinal numbers	Monday May 19th 2025