"Sun, 05 Jan 2025 09:18:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250105
Only TIME
09:18:55
General datetime
2025-01-05 09:18:55Z
For Database
2025-01-05 09:18:55
For HTTP1.1
Sun, 05 Jan 2025 09:18:55 GMT