"Wed, 18 Sep 2024 21:33:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
21:33:33
General datetime
2024-09-18 21:33:33Z
For Database
2024-09-18 21:33:33
For HTTP1.1
Wed, 18 Sep 2024 21:33:33 GMT