"Tue, 20 Aug 2024 02:21:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240820
Only TIME
02:21:39
General datetime
2024-08-20 02:21:39Z
For Database
2024-08-20 02:21:39
For HTTP1.1
Tue, 20 Aug 2024 02:21:39 GMT