"Wed, 18 Dec 2024 06:12:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
06:12:18
General datetime
2024-12-18 06:12:18Z
For Database
2024-12-18 06:12:18
For HTTP1.1
Wed, 18 Dec 2024 06:12:18 GMT