"Wed, 18 Sep 2024 15:51:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
15:51:13
General datetime
2024-09-18 15:51:13Z
For Database
2024-09-18 15:51:13
For HTTP1.1
Wed, 18 Sep 2024 15:51:13 GMT