"Wed, 18 Dec 2024 03:20:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
03:20:00
General datetime
2024-12-18 03:20:00Z
For Database
2024-12-18 03:20:00
For HTTP1.1
Wed, 18 Dec 2024 03:20:00 GMT