"Tue, 17 Sep 2024 21:15:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240917
Only TIME
21:15:23
General datetime
2024-09-17 21:15:23Z
For Database
2024-09-17 21:15:23
For HTTP1.1
Tue, 17 Sep 2024 21:15:23 GMT