"Mon, 23 Dec 2024 16:25:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
16:25:34
General datetime
2024-12-23 16:25:34Z
For Database
2024-12-23 16:25:34
For HTTP1.1
Mon, 23 Dec 2024 16:25:34 GMT