"Sat, 25 Jan 2025 14:53:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250125
Only TIME
14:53:43
General datetime
2025-01-25 14:53:43Z
For Database
2025-01-25 14:53:43
For HTTP1.1
Sat, 25 Jan 2025 14:53:43 GMT