"Sat, 14 Dec 2024 15:44:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
15:44:31
General datetime
2024-12-14 15:44:31Z
For Database
2024-12-14 15:44:31
For HTTP1.1
Sat, 14 Dec 2024 15:44:31 GMT