"Mon, 09 Dec 2024 17:47:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
17:47:17
General datetime
2024-12-09 17:47:17Z
For Database
2024-12-09 17:47:17
For HTTP1.1
Mon, 09 Dec 2024 17:47:17 GMT