"Mon, 09 Dec 2024 23:47:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
23:47:34
General datetime
2024-12-09 23:47:34Z
For Database
2024-12-09 23:47:34
For HTTP1.1
Mon, 09 Dec 2024 23:47:34 GMT