"Wed, 18 Dec 2024 14:21:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
14:21:47
General datetime
2024-12-18 14:21:47Z
For Database
2024-12-18 14:21:47
For HTTP1.1
Wed, 18 Dec 2024 14:21:47 GMT