"Sat, 25 Jan 2025 05:23:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250125
Only TIME
05:23:03
General datetime
2025-01-25 05:23:03Z
For Database
2025-01-25 05:23:03
For HTTP1.1
Sat, 25 Jan 2025 05:23:03 GMT