"Wed, 18 Dec 2024 09:40:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
09:40:15
General datetime
2024-12-18 09:40:15Z
For Database
2024-12-18 09:40:15
For HTTP1.1
Wed, 18 Dec 2024 09:40:15 GMT