"Sun, 19 Jan 2025 05:21:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
05:21:48
General datetime
2025-01-19 05:21:48Z
For Database
2025-01-19 05:21:48
For HTTP1.1
Sun, 19 Jan 2025 05:21:48 GMT