"Wed, 11 Sep 2024 08:15:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240911
Only TIME
08:15:21
General datetime
2024-09-11 08:15:21Z
For Database
2024-09-11 08:15:21
For HTTP1.1
Wed, 11 Sep 2024 08:15:21 GMT