"Sat, 25 Jan 2025 05:35:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250125
Only TIME
05:35:23
General datetime
2025-01-25 05:35:23Z
For Database
2025-01-25 05:35:23
For HTTP1.1
Sat, 25 Jan 2025 05:35:23 GMT