"Tue, 17 Jun 2025 14:45:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250617
Only TIME
14:45:41
General datetime
2025-06-17 14:45:41Z
For Database
2025-06-17 14:45:41
For HTTP1.1
Tue, 17 Jun 2025 14:45:41 GMT