Lumara Time

All tools

20 free tools, no signup, no login. All 20 tools are free to use, with no signup.

World Clocks

World Clocks Compare live time in cities around the world. Available now

Time Zone Converter

Time Zone Converter Convert a date and time between any two IANA time zones. Available now Meeting Time Converter Show one meeting time in several cities at once. Available now UTC Converter Convert UTC to and from local time. Available now Time Difference Calculator Compare time-zone offsets on a chosen date. Available now

Meeting Planner

Meeting Time Finder Find candidate slots across locations and date ranges. Available now World Meeting Planner Build a multi-location meeting plan with a timeline. Available now Business Hours Overlap Checker Compare participants' working hours. Available now Best Meeting Time Finder Rank slots by how many people are in working hours. Available now

Calendar & Scheduling

Calendar Date Calculator Count calendar days between two dates. Available now Date Difference Calculator Years, months and days between two dates. Available now Week Number Calculator Find the ISO week number and year. Available now Add Days to Date Calculate a future or past date. Available now

Time Calculators

Date & Time Calculator Add or subtract days, hours, minutes and seconds. Available now Duration Calculator Elapsed time between two date-times. Available now Countdown Timer Count down to an event in any time zone. Available now Time Until Date Remaining time to a target date. Available now Unix Timestamp Converter Convert Unix seconds or milliseconds. Available now

Business & Productivity

Working Days Calculator Count weekdays with optional holidays. Available now Business Days Calculator Custom work weeks and holiday lists. Available now