Quote:
Originally Posted by Anvar1061
February 29, 1940 It's Thursday (Labor Day)
This day is in the 9th (ninth) week of 1940
This is 60 (sixtieth) Day of the Year
1940 is a Leap Year (366 Days)
Days count in February 1940: 29
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You're right mate!
BUT, until 1940\03\01, R01 still NULL, also if it's not specified, i guess

NULL specified in 1940\02\28, NULL not specified in 1940\02\29.
Btw, great catch!