"Wed, 18 Dec 2024 04:30:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
04:30:05
General datetime
2024-12-18 04:30:05Z
For Database
2024-12-18 04:30:05
For HTTP1.1
Wed, 18 Dec 2024 04:30:05 GMT