"Tue, 20 Aug 2024 18:55:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240820
Only TIME
18:55:23
General datetime
2024-08-20 18:55:23Z
For Database
2024-08-20 18:55:23
For HTTP1.1
Tue, 20 Aug 2024 18:55:23 GMT