"Sat, 07 Dec 2024 08:49:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
08:49:20
General datetime
2024-12-07 08:49:20Z
For Database
2024-12-07 08:49:20
For HTTP1.1
Sat, 07 Dec 2024 08:49:20 GMT