"Thu, 26 Jun 2025 14:45:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250626
Only TIME
14:45:00
General datetime
2025-06-26 14:45:00Z
For Database
2025-06-26 14:45:00
For HTTP1.1
Thu, 26 Jun 2025 14:45:00 GMT