"Tue, 20 Aug 2024 14:02:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240820
Only TIME
14:02:57
General datetime
2024-08-20 14:02:57Z
For Database
2024-08-20 14:02:57
For HTTP1.1
Tue, 20 Aug 2024 14:02:57 GMT