Sumyard

Meeting planner

Find half-hour meeting slots inside each participant's working hours.

Jump to result

Your inputs

Updates as you type
Participants: IANA zone, start hour, end hourSearch by city. Enter whole hours in a 24-hour day; 24 means midnight at the end of the day. Overnight work windows are not supported. Up to 8 rows.
Participant 1
Participant 2

2 participant rows.

Non-working weekdaysSelect the days to exclude. Leave all days unselected for a seven-day working week.

available starting slots

6

Times below are local to each named zone.

Calculations happen in your browser. Saving is optional.

Calculation breakdown

6 rows · View table
Meeting planner — calculated breakdown
UTC startAmerica/New_YorkEurope/London
2026-07-01T13:00:00.000Z2026-07-01 09:002026-07-01 14:00
2026-07-01T13:30:00.000Z2026-07-01 09:302026-07-01 14:30
2026-07-01T14:00:00.000Z2026-07-01 10:002026-07-01 15:00
2026-07-01T14:30:00.000Z2026-07-01 10:302026-07-01 15:30
2026-07-01T15:00:00.000Z2026-07-01 11:002026-07-01 16:00
2026-07-01T15:30:00.000Z2026-07-01 11:302026-07-01 16:30

How to use this tool

Choose the meeting date in the first participant's zone and enter each participant's local working hours.

Set the meeting duration and non-working weekdays. Review each proposed slot in every participant's zone before booking.

Test half-hour starting instants against every participant's local date and working window

Worked example

6 · available starting slots

Fixed example using the settings below. Monetary examples use USD; dates and times use their stated reference values. This example stays unchanged when you edit your calculation.

Example inputs
  • Meeting date in first participant's zone: 2026-07-01
  • Participants: IANA zone, start hour, end hour: America/New_York,9,17; Europe/London,9,17
  • Meeting duration (minutes): 30
  • Non-working weekdays: 0,6

Method illustration: New York 09:00 and London 14:00 overlap during northern summer.

Assumptions and limits

  • Slots start every 30 minutes on the first participant's dated calendar day. Each participant's own local weekend is excluded.
  • No holiday or personal-calendar integration is assumed. All minutes of the meeting must fit within every working window.

Method reference: IANA time zone database

Check or report a result

Check the units, selected calculation and assumptions first. Compare the fixed example above with your inputs to identify what changed.

Report a calculation issue with the page address, hypothetical inputs, result displayed and result expected. Do not include passwords, bank details or other private information.