"Wed, 18 Sep 2024 21:54:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
21:54:10
General datetime
2024-09-18 21:54:10Z
For Database
2024-09-18 21:54:10
For HTTP1.1
Wed, 18 Sep 2024 21:54:10 GMT