"Sun, 05 Jan 2025 03:20:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250105
Only TIME
03:20:20
General datetime
2025-01-05 03:20:20Z
For Database
2025-01-05 03:20:20
For HTTP1.1
Sun, 05 Jan 2025 03:20:20 GMT