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Calendar & Time

Calendar files, repeat rules, rotas, timesheets and printable planners. 12 free tools that run 100% in your browser.

• Calendar Event Maker (ICS): Make an .ics invite with reminders and repeats, plus Add to Google and Outlook calendar links.
• Merge Calendar Files: Combine ICS calendars into one, remove duplicates and keep only a date range or events with a word.
• Spreadsheet to Calendar: Turn a CSV or Excel schedule into an ICS file you can import into Google, Apple or Outlook calendar.
• Recurring Dates & RRULE: Build or explain a repeat rule like "last Friday of every month" and list every date it falls on.
• Age Calculator: Exact age in years, months and days, totals in weeks and days, next birthday, star sign and day milestones.
• Week Number Calculator: Find the ISO week number of any date, the dates of any week, and a full list of weeks for a year.
• Sunrise & Sunset Times: Sunrise, sunset, day length, first and last light and golden hour for any place and date, with a year chart.
• Timesheet Calculator: Add up work hours from start and end times with breaks and overnight shifts, overtime and pay.
• Shift Rota Planner: Build a repeating shift pattern for a team, see cover each day, and give everyone their own calendar file.
• Printable Calendar Maker: Make a year or month-per-page calendar PDF with your holidays marked, week numbers and Monday or Sunday starts.
• Printable Planner: Make weekly or daily planner pages and monthly habit trackers as a ready-to-print PDF.
• Time Duration Calculator: Add and subtract durations like 1:20:00 and 45m, convert to decimal hours, and find the time between two clock times.