"Tue, 14 May 2024 21:03:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
21:03:53
General datetime
2024-05-14 21:03:53Z
For Database
2024-05-14 21:03:53
For HTTP1.1
Tue, 14 May 2024 21:03:53 GMT