"Sun, 08 Sep 2024 23:21:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240908
Only TIME
23:21:39
General datetime
2024-09-08 23:21:39Z
For Database
2024-09-08 23:21:39
For HTTP1.1
Sun, 08 Sep 2024 23:21:39 GMT