"Wed, 18 Dec 2024 16:39:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
16:39:12
General datetime
2024-12-18 16:39:12Z
For Database
2024-12-18 16:39:12
For HTTP1.1
Wed, 18 Dec 2024 16:39:12 GMT