Questions about time, answered plainly.
510 questions about time zones, daylight saving, calendars, meetings across countries and planning a day — each answered in a couple of sentences, with the working shown where it matters.
Time zones, explained
30What a time zone is, how offsets and UTC work, and why the same city can be two different times of year.
Daylight saving time
28When the clocks change, which countries change them, and what it does to meetings booked across the switch.
Time zones city by city
178Which zone each major city keeps, whether its clocks change, when they change this year, and which days are its weekend.
Meetings across time zones
32Finding a time that works in three countries, who should take the awkward hour, and how to write an invitation nobody misreads.
Working hours and the working week
30How working hours are counted, which countries work which days, and how to calculate hours, overtime and part-time fairly.
Dates, durations and business days
32Counting days between dates, week numbers, leap years, business days and the date formats that cause trouble.
Calendars, events and invitations
32How calendar events, invitations, RSVPs and shared calendars work, and what the formats behind them actually do.
Recurring events and routines
30How repeating events work, what RRULE means, and why editing one occurrence sometimes changes all of them.
Scheduling and booking pages
30How booking links work, how to publish availability without giving your calendar away, and how to stop back-to-back days.
Focus time, time blocking and planning the day
30How time blocking works, how much focus time a normal week holds, and how to plan a day that survives contact with other people.
Working across time zones as a team
28Async work, handovers, overlap windows and the practical habits that make a distributed team workable.
Daykite: common questions
30What Daykite does, what it costs, how the assistant behaves, and what it does with your calendar data.
Working something out rather than looking it up? The free tools do the arithmetic — converting a time across cities, finding a meeting slot, counting business days.