"Wed, 18 Dec 2024 16:38:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
16:38:52
General datetime
2024-12-18 16:38:52Z
For Database
2024-12-18 16:38:52
For HTTP1.1
Wed, 18 Dec 2024 16:38:52 GMT