"Fri, 19 Jul 2024 03:21:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240719
Only TIME
03:21:54
General datetime
2024-07-19 03:21:54Z
For Database
2024-07-19 03:21:54
For HTTP1.1
Fri, 19 Jul 2024 03:21:54 GMT