"Thu, 16 Jan 2025 21:18:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250116
Only TIME
21:18:00
General datetime
2025-01-16 21:18:00Z
For Database
2025-01-16 21:18:00
For HTTP1.1
Thu, 16 Jan 2025 21:18:00 GMT