"Sun, 08 Dec 2024 03:48:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
03:48:42
General datetime
2024-12-08 03:48:42Z
For Database
2024-12-08 03:48:42
For HTTP1.1
Sun, 08 Dec 2024 03:48:42 GMT