"Sun, 29 Sep 2024 16:55:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
16:55:23
General datetime
2024-09-29 16:55:23Z
For Database
2024-09-29 16:55:23
For HTTP1.1
Sun, 29 Sep 2024 16:55:23 GMT