"Tue, 20 Aug 2024 09:49:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240820
Only TIME
09:49:21
General datetime
2024-08-20 09:49:21Z
For Database
2024-08-20 09:49:21
For HTTP1.1
Tue, 20 Aug 2024 09:49:21 GMT