"Tue, 21 Jan 2025 20:18:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
20:18:05
General datetime
2025-01-21 20:18:05Z
For Database
2025-01-21 20:18:05
For HTTP1.1
Tue, 21 Jan 2025 20:18:05 GMT