"Sat, 25 Jan 2025 12:50:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250125
Only TIME
12:50:34
General datetime
2025-01-25 12:50:34Z
For Database
2025-01-25 12:50:34
For HTTP1.1
Sat, 25 Jan 2025 12:50:34 GMT