Yes, John, 01 March 1900 was a Thursday, and 28-Feb-1900 was a Wednesday in countries that were already on the Gregorian calendar at that time. In countries such as Russia that were still on the Julian calendar, there was a 29 February that year, and it was on a Tuesday. I find the following page pretty reliable for these types of information: https://www.timeanddate.com/calendar/?year=1900&country=1
code to calculate weekday for a given date
10 Nov 2025 8:53
#32457
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