"Mon, 09 Dec 2024 12:21:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
12:21:12
General datetime
2024-12-09 12:21:12Z
For Database
2024-12-09 12:21:12
For HTTP1.1
Mon, 09 Dec 2024 12:21:12 GMT