"Sun, 05 Jan 2025 23:15:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250105
Only TIME
23:15:02
General datetime
2025-01-05 23:15:02Z
For Database
2025-01-05 23:15:02
For HTTP1.1
Sun, 05 Jan 2025 23:15:02 GMT