"Wed, 18 Sep 2024 23:21:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
23:21:16
General datetime
2024-09-18 23:21:16Z
For Database
2024-09-18 23:21:16
For HTTP1.1
Wed, 18 Sep 2024 23:21:16 GMT