"Mon, 09 Dec 2024 13:25:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
13:25:19
General datetime
2024-12-09 13:25:19Z
For Database
2024-12-09 13:25:19
For HTTP1.1
Mon, 09 Dec 2024 13:25:19 GMT