"Tue, 20 Aug 2024 07:15:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240820
Only TIME
07:15:11
General datetime
2024-08-20 07:15:11Z
For Database
2024-08-20 07:15:11
For HTTP1.1
Tue, 20 Aug 2024 07:15:11 GMT