"Mon, 30 Dec 2024 09:21:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241230
Only TIME
09:21:21
General datetime
2024-12-30 09:21:21Z
For Database
2024-12-30 09:21:21
For HTTP1.1
Mon, 30 Dec 2024 09:21:21 GMT