"Sat, 07 Dec 2024 21:18:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
21:18:35
General datetime
2024-12-07 21:18:35Z
For Database
2024-12-07 21:18:35
For HTTP1.1
Sat, 07 Dec 2024 21:18:35 GMT