"Sun, 13 Oct 2024 14:21:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
14:21:33
General datetime
2024-10-13 14:21:33Z
For Database
2024-10-13 14:21:33
For HTTP1.1
Sun, 13 Oct 2024 14:21:33 GMT