"Wed, 18 Dec 2024 20:21:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
20:21:52
General datetime
2024-12-18 20:21:52Z
For Database
2024-12-18 20:21:52
For HTTP1.1
Wed, 18 Dec 2024 20:21:52 GMT