"Thu, 23 Jan 2025 12:15:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250123
Only TIME
12:15:03
General datetime
2025-01-23 12:15:03Z
For Database
2025-01-23 12:15:03
For HTTP1.1
Thu, 23 Jan 2025 12:15:03 GMT