"Sun, 08 Sep 2024 20:44:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240908
Only TIME
20:44:21
General datetime
2024-09-08 20:44:21Z
For Database
2024-09-08 20:44:21
For HTTP1.1
Sun, 08 Sep 2024 20:44:21 GMT