"Sat, 11 Jan 2025 21:35:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250111
Only TIME
21:35:56
General datetime
2025-01-11 21:35:56Z
For Database
2025-01-11 21:35:56
For HTTP1.1
Sat, 11 Jan 2025 21:35:56 GMT