"Sun, 05 Jan 2025 09:40:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250105
Only TIME
09:40:02
General datetime
2025-01-05 09:40:02Z
For Database
2025-01-05 09:40:02
For HTTP1.1
Sun, 05 Jan 2025 09:40:02 GMT