Time and Date Calculator

KavNik Technologies

Contains adsIn-app purchases

About this app

Time and Date Calculator - Aviation – A Smart, Accurate & Professional Toolkit
1. Overview
Time and Date Calculator - Aviation is a powerful all-in-one calculator designed for time, date, duration, and schedule management. Built for precision and speed, it combines advanced tools, real-world utilities, and structured history tracking in a clean interface.
Perfect for both daily use and mission-critical workflows.
2. Key Features
✈️ Smart Time Calculator
• Add, subtract, multiply, and divide time (HH:MM)
• Optimized keypad for fast input
• Accurate results for complex time operations
✈️ Aviation Forecast (Time & Date Modes)
• Forecast component life and service due
• Calculate overhaul intervals
• Track remaining lifecycle
• Works with both flight hours and calendar dates
📅 Date Calculator
• Add/subtract years, months, weeks, days
• Ideal for planning schedules and deadlines
EXPENSE SPLITTER
• Hazzlefree simplifies trip expense management with a single click.
• Create trips, add expenses, assign payers and shares and track balances for groups or crews
📊 Date Difference Calculator
• Exact duration between two dates
• Optional time precision
• Includes:
– Total days
– Total hours
– Total minutes
– Total seconds
🎂 Age Calculator
• Exact age in years, months, days
• Next birthday countdown
• Total days, weeks, months lived
• Save multiple profiles
🗓 Workdays Calculator
• Calculate business days between dates
• Exclude weekends or custom weekdays
• Add holidays for accuracy
• Ideal for payroll, projects, and planning
🌍 Time Zone Converter
• Convert time across global time zones
• Compare source and target times
• Useful for travel, meetings, remote teams
⏱ Countdown Timer
• Create multiple event timers
• Pause/resume anytime
• Completion alerts and history tracking
🧮 Standard Calculator
• Supports arithmetic, percentages, decimals
• Parentheses for complex calculations
• Reusable history
3. Designed for Professionals
This app is built for real-world use across industries:
• Aviation engineers & aircraft technicians
• Pilots tracking flight hours
• Maintenance planners & fleet operators
• Engineers managing service intervals
• Laboratories tracking experiments
• Factories handling production cycles
• Maritime crews managing voyages
• Students, professionals & managers
4. History, Records & Export
• Save calculation history across tools
• Create and manage named records
• Edit and reuse previous entries
• Export results (Premium):
– CSV
– PDF
– Text
• Ideal for reporting and documentation
5. Personalization & Settings
• Light / Dark / System themes
• 12-hour & 24-hour time formats
• Multiple date formats
• Adjustable decimal precision
• Custom first day of week
• Optional haptic feedback & sound
• Clean grouped interface for fast navigation
6. Free vs Premium
Free Version
• Access to all essential calculators
• Core features with history support
Premium Version
• No Ads
• Unlimited history retention
• Advanced export tools
• Enhanced productivity experience
• Monthly & Lifetime plans available
• Secure purchase via Google Play
• Easy restore support
7. Why Choose This App
• Fast, accurate, and reliable calculations
• Designed for real-world scenarios
• Clean, modern, and easy-to-use UI
• Multiple tools in one single app
• Works offline – no account required
8. Privacy & Simplicity
• No account required
• No personal data collected
• Lightweight and efficient
9. Perfect For
• Time & date calculations
• Aviation forecasting & maintenance tracking
• Project deadlines & scheduling
• Workday and payroll calculations
• Global time coordination
Aviation Time & Date Calc delivers a complete, professional toolkit to manage time, dates, and schedules with confidence and precision. 🚀

What’s new

1. Themes — New accent colours added in theme.
2. Fuel calculator — New tool for ground and pilot fuel planning and history.
3. Expense Splitter — New utility to split group costs and track balances.
4. Layout — Navigation (drawer + bottom bar) refined for small and large screens.
5. Minor UI bug fixes