"Wed, 18 Dec 2024 03:42:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
03:42:42
General datetime
2024-12-18 03:42:42Z
For Database
2024-12-18 03:42:42
For HTTP1.1
Wed, 18 Dec 2024 03:42:42 GMT