"Mon, 09 Dec 2024 23:27:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
23:27:03
General datetime
2024-12-09 23:27:03Z
For Database
2024-12-09 23:27:03
For HTTP1.1
Mon, 09 Dec 2024 23:27:03 GMT