"Tue, 21 Jan 2025 15:27:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
15:27:52
General datetime
2025-01-21 15:27:52Z
For Database
2025-01-21 15:27:52
For HTTP1.1
Tue, 21 Jan 2025 15:27:52 GMT