"Mon, 09 Dec 2024 18:46:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
18:46:48
General datetime
2024-12-09 18:46:48Z
For Database
2024-12-09 18:46:48
For HTTP1.1
Mon, 09 Dec 2024 18:46:48 GMT