"Wed, 18 Dec 2024 18:54:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
18:54:08
General datetime
2024-12-18 18:54:08Z
For Database
2024-12-18 18:54:08
For HTTP1.1
Wed, 18 Dec 2024 18:54:08 GMT