"Tue, 21 Jan 2025 14:21:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
14:21:59
General datetime
2025-01-21 14:21:59Z
For Database
2025-01-21 14:21:59
For HTTP1.1
Tue, 21 Jan 2025 14:21:59 GMT