"Wed, 18 Sep 2024 13:15:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
13:15:13
General datetime
2024-09-18 13:15:13Z
For Database
2024-09-18 13:15:13
For HTTP1.1
Wed, 18 Sep 2024 13:15:13 GMT