Time Span Calculator

About

Time Span Calculator is a professional time duration calculator that makes time calculations effortless.

🔢 **CALCULATE TIME DIFFERENCES**
- Instantly calculate minutes between any two times
- Smart parsing understands multiple formats: 9a, 930a, 9:30 AM, etc.
- Automatic timezone detection with formatted output

⏰ **ADD MINUTES TO TIME**
- Add any number of minutes to a start time
- See the calculated end time with full date formatting
- Copy results in professional format: "10/31/2025 11:29 AM (CDT)"

🎯 **SMART FEATURES**
- Quick time selection dropdown with common times
- One-click copy to clipboard for both minutes and formatted times
- Persistent storage remembers your last used times
- Keyboard-friendly with arrow key controls

💡 **PERFECT FOR**
- Project time tracking
- Meeting scheduling
- Work hour calculations
- Time management
- Daily planning

No complicated setup, no unnecessary permissions - just a clean, fast time calculator that works when you need it.