"Wed, 18 Sep 2024 20:16:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
20:16:42
General datetime
2024-09-18 20:16:42Z
For Database
2024-09-18 20:16:42
For HTTP1.1
Wed, 18 Sep 2024 20:16:42 GMT