"Mon, 09 Dec 2024 10:45:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
10:45:23
General datetime
2024-12-09 10:45:23Z
For Database
2024-12-09 10:45:23
For HTTP1.1
Mon, 09 Dec 2024 10:45:23 GMT