"Mon, 13 Jan 2025 06:25:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250113
Only TIME
06:25:21
General datetime
2025-01-13 06:25:21Z
For Database
2025-01-13 06:25:21
For HTTP1.1
Mon, 13 Jan 2025 06:25:21 GMT