"Wed, 18 Sep 2024 16:35:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
16:35:12
General datetime
2024-09-18 16:35:12Z
For Database
2024-09-18 16:35:12
For HTTP1.1
Wed, 18 Sep 2024 16:35:12 GMT