"Tue, 21 Jan 2025 18:44:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
18:44:05
General datetime
2025-01-21 18:44:05Z
For Database
2025-01-21 18:44:05
For HTTP1.1
Tue, 21 Jan 2025 18:44:05 GMT