"Sat, 07 Dec 2024 23:59:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
23:59:56
General datetime
2024-12-07 23:59:56Z
For Database
2024-12-07 23:59:56
For HTTP1.1
Sat, 07 Dec 2024 23:59:56 GMT