"Sat, 11 Jan 2025 21:18:28"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250111
Only TIME
21:18:28
General datetime
2025-01-11 21:18:28Z
For Database
2025-01-11 21:18:28
For HTTP1.1
Sat, 11 Jan 2025 21:18:28 GMT