"Sun, 05 Jan 2025 03:20:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250105
Only TIME
03:20:11
General datetime
2025-01-05 03:20:11Z
For Database
2025-01-05 03:20:11
For HTTP1.1
Sun, 05 Jan 2025 03:20:11 GMT