"Sat, 07 Dec 2024 14:00:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
14:00:00
General datetime
2024-12-07 14:00:00Z
For Database
2024-12-07 14:00:00
For HTTP1.1
Sat, 07 Dec 2024 14:00:00 GMT