Telling and translating time across the world, explained simply.
Everything about reading and translating time across the world: how time zones and UTC offsets work, why daylight saving quietly shifts your recurring meetings, what the abbreviations like EST, CET and IST actually mean, and the best windows to call or meet between specific cities and countries.
Find the overlap, respect working hours, and dodge the daylight-saving traps - a repeatable way to schedule across zones.
Time Zone GuidesThey show the same time, but one is a time zone and the other a time standard. Which to use for scheduling, and why it matters.
Time Zone GuidesWhen the clocks change in 2026, country by country, and why the US and Europe don't switch on the same day.
Time Zone GuidesIndia is half a day ahead, so call in your morning to catch their evening. Exact windows for the East, Central and West coasts.
Time Zone Guides24 in theory, about 38 in practice. Why half-hour and 45-minute offsets push the real count past two dozen.
Time Zone GuidesUTC is the single clock the world agrees on, and every time zone is just an offset from it. Why it matters for scheduling.
Time Zone GuidesIndia runs on UTC+5:30 and Nepal on UTC+5:45. Why a few countries use half-hour and quarter-hour offsets.
Time Zone GuidesPST, EST, CET and the rest decoded, why the same letters mean different offsets worldwide, and what to use instead.
Time Zone GuidesEST is winter (UTC-5), EDT is summer (UTC-4): same place, one hour apart. Which is in effect, and when to write ET.
Time Zone GuidesIST is UTC+5:30: one fixed clock for all of India and Sri Lanka, with no daylight saving.
Time Zone GuidesEST is UTC-5, the winter clock of the US East Coast. Who uses it and how it differs from EDT and ET.
Time Zone GuidesPST is UTC-8, the winter clock of the US and Canada West Coast. How it differs from PDT and PT.
Time Zone GuidesCET is UTC+1, the winter clock for most of continental Europe. In summer it shifts to CEST (UTC+2).
Time Zone GuidesOne clock uses AM and PM, the other runs 00:00 to 23:59. How to convert, and dodge 12 AM / 12 PM mix-ups.
Time Zone GuidesYes, and the riskiest weeks are late March and late October, when recurring cross-border calls silently drift.
Time Zone GuidesUsually 5 hours apart, but for three weeks each March daylight saving falls out of sync and the gap drops to 4.
Time Zone GuidesThe daylight saving mnemonic explained, plus why teams lose their overlap for a few weeks twice a year.
Time Zone GuidesMost of the world skips it. Asia, Africa, the Middle East, Hawaii, Arizona and much of Australia stay on one clock.
Time Zone GuidesRecurring international calls drift when one country changes clocks before the other. Three ways to anchor them.
Time Zone GuidesThe Philippines is 12-16 hours ahead of the US. Call early in your morning to reach Manila in the evening, with windows for every coast.
Time Zone GuidesThe US is 9.5-13.5 hours behind India. Call around 6-9 PM IST to catch the US morning.
Time Zone GuidesThe UK is 5 hours ahead of US Eastern and 8 ahead of Pacific. Call in your morning to catch the UK afternoon.
Time Zone GuidesSydney is about 14 hours ahead of US Eastern, so the best time to call is your afternoon, their next morning.
Time Zone GuidesIndia is 4.5 hours ahead of the UK in summer, 5.5 in winter. Call in your morning to reach their afternoon.
Time Zone GuidesSydney is 9-11 hours ahead of the UK. Call around 7-9 AM to catch the Sydney evening.
Time Zone GuidesLondon is 5 hours ahead of New York most of the year. Offset tables, best meeting windows, and the brief 4-hour DST gap.
Time Zone GuidesTokyo runs 13 hours ahead of New York in summer, 14 in winter. Worked conversions and the one window that works.
Time Zone GuidesLondon runs 8 hours ahead of San Francisco, so your morning lines up with London's late afternoon for a clean daily window.
Time Zone GuidesSydney is 9-11 hours ahead of London, swinging with opposite-season daylight saving. The reliable overlap is the day's edges.
Time Zone GuidesLondon runs 8 hours ahead of Los Angeles, so an LA morning meets a London afternoon. Exact conversions and the spring catch.
Time Zone GuidesDubai is 4 hours ahead of London in winter, 3 in summer. Offset tables, worked conversions and the best meeting window.
Time Zone GuidesIndia runs 10.5 hours ahead of EST, so 9 AM EST is 7:30 PM in India. Convert any Eastern hour to IST instantly.
Time Zone GuidesUS Eastern is always 3 hours ahead of Pacific. The exact conversions and the best coast-to-coast meeting window.
Time Zone GuidesGMT runs 5 hours ahead of US Eastern, so noon in the UK is 7:00 AM EST. Conversion tables, best overlap, and the DST catch.
Time Zone GuidesCET is 6 hours ahead of EST: noon CET is 6 AM EST. Conversion tables and the best European-afternoon overlap.
Time Zone GuidesIndia is 13.5 hours ahead of US Pacific (12.5 in summer). 9 AM PST is 10:30 PM IST, with full conversion tables.
Time Zone GuidesIndia runs 5.5 hours ahead of GMT, so noon in London is 5:30 PM in India. Offset and conversion tables.
Time Zone GuidesIndia runs 9.5-13.5 hours ahead of the US, so a remote team gets one overlap: your morning, India's evening.
Time Zone GuidesThe Philippines is 12-13 hours ahead of US Eastern and 15-16 ahead of Pacific, with one narrow early-morning overlap.
Time Zone GuidesMexico City matches US Central in winter and sits an hour behind in summer, giving a near-full shared working day.
Time Zone GuidesThe UK is 5 hours ahead of US Eastern and 8 ahead of Pacific most of the year, with worked conversions and the best window.
Time Zone GuidesCentral Europe sits 8-10 hours behind eastern Australia, with almost no shared workday. The offsets and the two usable windows.
Time Zone GuidesColombia matches US Eastern in winter and runs an hour behind in summer, giving US teams a nearly complete shared workday.
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