"Wed, 18 Dec 2024 07:30:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
07:30:20
General datetime
2024-12-18 07:30:20Z
For Database
2024-12-18 07:30:20
For HTTP1.1
Wed, 18 Dec 2024 07:30:20 GMT