"Sun, 19 Jan 2025 11:31:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
11:31:11
General datetime
2025-01-19 11:31:11Z
For Database
2025-01-19 11:31:11
For HTTP1.1
Sun, 19 Jan 2025 11:31:11 GMT