"Sun, 05 Jan 2025 08:00:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250105
Only TIME
08:00:20
General datetime
2025-01-05 08:00:20Z
For Database
2025-01-05 08:00:20
For HTTP1.1
Sun, 05 Jan 2025 08:00:20 GMT