"Tue, 13 Aug 2024 14:15:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240813
Only TIME
14:15:08
General datetime
2024-08-13 14:15:08Z
For Database
2024-08-13 14:15:08
For HTTP1.1
Tue, 13 Aug 2024 14:15:08 GMT