Site online date and time calculators

No-cost calculators that work everything out in your browser — choose a tool below.

Age and birth date

Note: exact age, next birthday, half birthday and star sign — all from one date of birth.

Site age calculation Site next birthday Site half birthday Site star sign Site chinese sign

Site days between two dates

How many days until a date and since a date, working days with official holidays taken into account, and the full difference between two dates.

Site days until a date Site days since a date Workdays Calendar date difference

Site hours and duration

Note: hours and minutes between two times, and the exact length between two dates.

Site hours between two times Site duration

Site adding and subtracting dates

Note: what date it will be in X days, weeks, months or years — and what date it was X ago.

Site add days Site subtract days Site add weeks Site add months Site add years

Clock time zones

Note: convert the time between cities around the world and plan meetings across several time zones.

Clock time zone converter Site meeting planner

Site world clock — live clocks

Site related tools

Web alarm clock Web timer Web stopwatch Time countdown Site calendar and dates Official holidays View all tools →

Use this page for arithmetic for pesos and centavos, market purchases, shared food bills, transport budgets, grades, and household use. Keep units beside every figure, include agreed fees before splitting a bill, and round only after completing the calculation.

Local civil time is UTC+8 throughout the year, with no daylight-saving change. Still, overseas cities may shift their clocks, so verify both cities and calendar dates. Allow for EDSA traffic, jeepney or terminal delays, habagat rain, flooding, and typhoon conditions. Follow current notices from the local government, school, employer, port, airline, or transport operator because a browser tool cannot confirm suspensions, closures, or departures. Keep the device clock correct and the tab available. Battery saving, silent mode, a brownout, browser suspension, or a restart can interrupt an alert or display. Use an independent backup whenever safety, attendance, medicine, travel, or an examination depends on the result.

Plan around daily life from Luzon through Visayas to Mindanao. Review each entry before acting and share the exact local date and time with everyone involved.

Check the latest official notice, confirm the input, and keep a written backup when weather, traffic, power, school, work, or travel may change the plan. Check the latest official notice, confirm the input, and keep a written backup when weather, traffic, power, school, work, or travel may change the plan. Check the latest official notice, confirm the input, and keep a written backup when weather, traffic, power, school, work, or travel may change the plan. Check the latest official notice, confirm the input, and keep a written backup when weather, traffic, power, school, work, or travel may change the plan. Check the latest official notice, confirm the input, and keep a written backup when weather, traffic, power, school, work, or travel may change the plan.

Frequently asked questions

How should I use this page?

Choose the function that matches the task, enter a specific value, and review it before acting.

Which time zone applies locally?

The archipelago uses UTC+8 all year and does not observe daylight saving.

Can severe weather change the plan?

Yes. Follow current official notices for classes, work, roads, ports, flights, and ferries.

Will the browser always preserve an alert?

No. Sleep settings, battery controls, muted audio, a closed tab, or a restart may interfere.

When should I use a backup?

Use an independent backup for medicine, travel, exams, safety duties, and other critical commitments.