"Sat, 25 Jan 2025 09:39:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250125
Only TIME
09:39:57
General datetime
2025-01-25 09:39:57Z
For Database
2025-01-25 09:39:57
For HTTP1.1
Sat, 25 Jan 2025 09:39:57 GMT