"Fri, 21 Feb 2025 19:32:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250221
Only TIME
19:32:34
General datetime
2025-02-21 19:32:34Z
For Database
2025-02-21 19:32:34
For HTTP1.1
Fri, 21 Feb 2025 19:32:34 GMT