"Wed, 18 Sep 2024 08:42:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
08:42:15
General datetime
2024-09-18 08:42:15Z
For Database
2024-09-18 08:42:15
For HTTP1.1
Wed, 18 Sep 2024 08:42:15 GMT