"Sun, 08 Dec 2024 18:14:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
18:14:15
General datetime
2024-12-08 18:14:15Z
For Database
2024-12-08 18:14:15
For HTTP1.1
Sun, 08 Dec 2024 18:14:15 GMT