"Sun, 09 Feb 2025 19:20:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250209
Only TIME
19:20:45
General datetime
2025-02-09 19:20:45Z
For Database
2025-02-09 19:20:45
For HTTP1.1
Sun, 09 Feb 2025 19:20:45 GMT