"Wed, 18 Sep 2024 21:31:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
21:31:15
General datetime
2024-09-18 21:31:15Z
For Database
2024-09-18 21:31:15
For HTTP1.1
Wed, 18 Sep 2024 21:31:15 GMT