"Mon, 13 Jan 2025 12:50:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250113
Only TIME
12:50:51
General datetime
2025-01-13 12:50:51Z
For Database
2025-01-13 12:50:51
For HTTP1.1
Mon, 13 Jan 2025 12:50:51 GMT