"Tue, 13 Aug 2024 18:54:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240813
Only TIME
18:54:54
General datetime
2024-08-13 18:54:54Z
For Database
2024-08-13 18:54:54
For HTTP1.1
Tue, 13 Aug 2024 18:54:54 GMT