"Tue, 20 Aug 2024 08:44:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240820
Only TIME
08:44:55
General datetime
2024-08-20 08:44:55Z
For Database
2024-08-20 08:44:55
For HTTP1.1
Tue, 20 Aug 2024 08:44:55 GMT