"Sun, 13 Oct 2024 18:48:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
18:48:23
General datetime
2024-10-13 18:48:23Z
For Database
2024-10-13 18:48:23
For HTTP1.1
Sun, 13 Oct 2024 18:48:23 GMT