"Mon, 23 Dec 2024 17:42:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
17:42:34
General datetime
2024-12-23 17:42:34Z
For Database
2024-12-23 17:42:34
For HTTP1.1
Mon, 23 Dec 2024 17:42:34 GMT