"Tue, 13 Aug 2024 13:21:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240813
Only TIME
13:21:37
General datetime
2024-08-13 13:21:37Z
For Database
2024-08-13 13:21:37
For HTTP1.1
Tue, 13 Aug 2024 13:21:37 GMT