Free
Date difference calculator
Count calendar days, weeks and weekdays between two dates.
Teams, travellers, students and event planners
Dates & time tools
Calculate date gaps, deadlines, working days, ages, shifts, countdowns and timestamps. Handle date-only calculations carefully around weekends and time zones, with clearly labelled local and UTC results where they matter.
9free tools in this category.
Choose a tool
Clear inputs. Useful outputs.
Every result stays on your device unless a page explicitly says otherwise.
Free
Time zone converter
Convert a date and time between fixed UTC offsets with a clear difference label.
Free
Deadline calculator
Add or subtract calendar or working days with explicit UK bank-holiday or custom closure dates.
Free
Working days calculator
Count weekdays between dates with optional inclusive counting and holiday dates.
Free
Event run sheet builder
Build a timed event agenda or run sheet with changeovers, then save it as text, CSV or an iCalendar file.
Free
Service renewal tracker
Review renewal dates, costs and cancellation-notice deadlines in one sorted schedule.
Free
Shift length calculator
Work out paid shift duration after breaks, including overnight shifts.
Free
Countdown maker
Create a live day, hour, minute and second countdown to a chosen moment.
Free
Age calculator
Calculate calendar age, total days lived and time until the next birthday.
Popular tasks
Calculate the date—or build the whole schedule.
Build an event run sheet
Turn activities and durations into start and finish times.
Review service renewal dates
Sort renewals, costs and cancellation-notice deadlines.
Calculate a working-day deadline
Add or subtract calendar or working days from a chosen date.
Convert a time across UTC offsets
Compare meeting times with a visible hour difference.
Step-by-step guidance
Practical guides for these tasks.
Deadline calculation guide
Calculate working-day deadlines correctly
Count working days from a start date, apply UK bank holidays by region, and download the maintained dates as CSV or JSON.
Project planning guide
Build a useful milestone plan
Turn a project window into outcome-based milestone dates, export the baseline to a spreadsheet or calendar, then adjust it for dependencies and contingency.
Event schedule guide
Build an event run sheet
Create a timed event agenda with activity durations, changeovers, notes, CSV and calendar exports, plus a worked schedule example and realistic contingency.
Annual leave guide
Calculate annual leave correctly
Calculate full and part-year holiday entitlement from working days and leave weeks, and understand how contracts and bank holidays affect the figure.
Time-zone guide
Convert meeting times safely
Convert a date and time between UTC offsets, handle daylight saving and confirm the result before scheduling.
Timesheet guide
Total a weekly timesheet
Turn daily shift start, end and break times into total paid hours, including overnight shifts.
What this category helps with.
Start with the real question
Calculate date gaps, deadlines, working days, ages, shifts, countdowns and timestamps.
See the method
Inputs, formula or processing method, examples and important limitations are explained on every tool page.
Use the answer with context
Handle date-only calculations carefully around weekends and time zones, with clearly labelled local and UTC results where they matter. Tools give an estimate or transformation; you remain in control of the final decision.
Need a deeper workflow?
Move from a quick answer to a reusable business result.
The Premium suite adds 20 advanced forecasting, audit, data and document tools. Guests can try 1 run; a verified free account gets 3 per rolling 24 hours.