Week of year
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Your hub for Time and productivity.
Deadlines, trips, and global meetings: dozens of calculators with live results. No heavy sign-up flow — pick a tool and go.
Local time
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Secondary time zone
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This device's time
Official payment & benefits calendars
Bolsa Família, Social Security, and more — key dates by country to plan ahead.
Popular tools
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Day 0 of the yearWeek 00 days until next year
Year progress
Day 0 of 365
Business days
Today through 12/31
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Today in history
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Next holiday
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Upcoming popular events
View all popular events →Track major launches and trending dates with a live-updated countdown.
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View full calendar →All tools
Business days, holidays, age, time zones, and more — one hub for every date & time question.
Browse tools & calculate →Quick access
Tools to calculate online
Access the main date and time utilities in one place.
Extreme speed
No sluggish loads. Tools open instantly in your browser.
100% private
We do not store your inputs on our servers. Everything runs locally in your browser.
Responsive design
Use desktop, tablet, or phone with the same fluid experience and clean UI.
Everything you need to calculate in one place
TempoJa simplifies date and time management with free online tools for planning, global coordination, and technical workflows.
- Deadline and contract management: use the business days calculator to forecast delivery dates with better accuracy.
- Personal planning and travel: track days remaining until events, holiday breaks, and milestone dates.
- Global collaboration: compare city and country times with world time and timezone conversion tools.
- Developer toolkit: convert Unix Timestamp, Epoch, and ISO 8601 quickly for APIs, logs, and databases.
Frequently asked questions about date calculations
How do I calculate business days between two dates?
Use the Business Days tool and enter a start and end date. TempoJa automatically excludes weekends and configured holidays.
Is TempoJa free?
Yes. All date calculators, timezone converters, age counters, and developer timestamp tools are free and run in your browser.
How can I check the current week of the year?
On the Home today overview panel you can see the current week number, day of year, and days remaining until year end in real time.
Can I save my countdowns?
You can create custom countdown pages and keep a unique shareable link to revisit or send to others anytime.