"Tue, 21 Jan 2025 19:25:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
19:25:52
General datetime
2025-01-21 19:25:52Z
For Database
2025-01-21 19:25:52
For HTTP1.1
Tue, 21 Jan 2025 19:25:52 GMT