"Sun, 19 Jan 2025 11:18:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
11:18:34
General datetime
2025-01-19 11:18:34Z
For Database
2025-01-19 11:18:34
For HTTP1.1
Sun, 19 Jan 2025 11:18:34 GMT