"Wed, 18 Dec 2024 13:15:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
13:15:02
General datetime
2024-12-18 13:15:02Z
For Database
2024-12-18 13:15:02
For HTTP1.1
Wed, 18 Dec 2024 13:15:02 GMT