"Sun, 29 Sep 2024 17:21:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
17:21:03
General datetime
2024-09-29 17:21:03Z
For Database
2024-09-29 17:21:03
For HTTP1.1
Sun, 29 Sep 2024 17:21:03 GMT