"Sun, 08 Sep 2024 18:55:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240908
Only TIME
18:55:23
General datetime
2024-09-08 18:55:23Z
For Database
2024-09-08 18:55:23
For HTTP1.1
Sun, 08 Sep 2024 18:55:23 GMT