Free Date & Time Tools – Days Until, Work Hours & Meeting Planner
Date and time calculations that seem simple often require more precision than mental math allows - how many days until an event, converting time between world timezones, how many billable hours were worked in a week, or what time a meeting will be across different time zones. These 4 datetime tools solve those exact problems with a clean input-and-result interface and no account required.
Days Until Calculator
Calculate how many days until any date or event online free - no login. Find days between two dates, count down to a holiday, birthday, or deadline, and see weeks and months too.
Work Hours Calculator
Calculate total work hours and overtime online free - no login. Enter your start and end times for each day, add breaks, and instantly see total hours worked and overtime pay.
Meeting Time Zone Planner
Plan meetings across multiple time zones online free - no login. Enter your cities and find the best overlap time for international meetings, with a clear visual comparison across zones.
Timezone Converter
Free online timezone converter to convert date and time between any two world timezones instantly. No signup, no install, browser-based using the Intl API.
How to use these tools
Select the tool that matches your task, open it, and follow the steps below.
- Find the tool that matches your task - for example: Days Until Calculator, Work Hours Calculator, Meeting Time Zone Planner.
- Open it and enter your input - no file upload, account, or install required.
- Use the result directly in your workflow, or move to a related tool for the next step.
Common ways to use these tools
- Date & Time Tools are most useful when you already know the task and want a fast result.
- Each tool in this category handles one specific job well rather than trying to be a general-purpose suite.
- Most workflows in this area involve two or three steps - use related tools in the same category to complete the full sequence.