"Sat, 25 Jan 2025 12:43:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250125
Only TIME
12:43:45
General datetime
2025-01-25 12:43:45Z
For Database
2025-01-25 12:43:45
For HTTP1.1
Sat, 25 Jan 2025 12:43:45 GMT