"Tue, 03 Dec 2024 15:15:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241203
Only TIME
15:15:15
General datetime
2024-12-03 15:15:15Z
For Database
2024-12-03 15:15:15
For HTTP1.1
Tue, 03 Dec 2024 15:15:15 GMT