First Day
First Day may refer to:
The first day of the week
First day of the month
The first day of the Gregorian calendar, January 1, also known as New Year's Day
First day of issue, the first day a postcard, postage stamp or stamped envelope is officially put up for sale
The first day of the Genesis creation narrative (Old Testament of the Bible)
In entertainment:
"First Day", song from the 2003 eponymous album The Futureheads
"First Day", 2005 Timo Maas song
"First Day", 2008 premier episode of The Inbetweeners
"First Day", 2023 second episode of Gen V
"First Day", an episode in season 2 of Regular Show
First Day, a 2020 Australian children's television series
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