"Tue, 21 May 2024 16:08:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240521
Only TIME
16:08:02
General datetime
2024-05-21 16:08:02Z
For Database
2024-05-21 16:08:02
For HTTP1.1
Tue, 21 May 2024 16:08:02 GMT