Time & Date Calculation Tools
Find exact differences in days, weeks, and hours between dates; launch live second-by-second countdown timers for important deadlines and events.
Countdown & Date Difference
Calculate days between dates and set live countdown timers for upcoming events.
Age Calculator
Calculate exact age, completed age vs age in progress, next birthday day of week, hours and minutes lived.
Days Between Dates Calculator
Calculate calendar days, business days, weekend days, and full year-month-day duration between dates.
Days Remaining Countdown
Count how many days are left until any future holiday, exam, or deadline.
Time Zone Difference Calculator
Calculate real-time hour differences between major global cities and UTC offsets.
Moon Phase Calculator
Calculate the exact moon phase, illumination percentage, and lunar age for any given date.
Sunset Time Calculator
Calculate exact sunset time, civil twilight, and daylight hours for any latitude and date.
Sunrise Time Calculator
Calculate astronomical sunrise time, dawn civil twilight, and daylight duration.
Week Number Calculator (ISO 8601)
Find the official ISO 8601 week number, week start Monday, and weekend dates.
Day of the Week Calculator
Find out what day of the week any historical or future date falls on.
Weeks Between Dates
Calculate the exact number of full weeks, remaining days, and weekend days between two dates.
Days Since Calculator
Calculate how many days, months, and years have passed since a memorable past event.
Time & Date What You Need to Know
All tools in Calconova are engineered with institutional financial and scientific formulas. The enterprise decimal.js engine is utilized to eliminate floating-point rounding errors typical of standard JavaScript applications.
All calculations execute directly on your local device (Edge/Client-side); none of your data is stored on remote servers, guaranteeing 100% privacy.
All calculations, amortizations, and scenario projections displayed on this page are strictly for informational and educational purposes. Nothing herein constitutes investment, financial, tax, or legal advice. Actual CPF interest rates, ABSD criteria, COE prices, and bank mortgage rates may vary. Calconova explicitly disclaims all liability for any decisions taken based upon these calculations. Consult a MAS-licensed financial adviser or IRAS/CPF officer prior to executing financial commitments.