"Sat, 07 Dec 2024 18:14:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
18:14:15
General datetime
2024-12-07 18:14:15Z
For Database
2024-12-07 18:14:15
For HTTP1.1
Sat, 07 Dec 2024 18:14:15 GMT