"Sat, 07 Dec 2024 05:18:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
05:18:15
General datetime
2024-12-07 05:18:15Z
For Database
2024-12-07 05:18:15
For HTTP1.1
Sat, 07 Dec 2024 05:18:15 GMT