How many time zones does the world have?

The world officially has 24 standard hour-offset time zones, but when you include half-hour and quarter-hour offsets (like India’s UTC+5:30 and Nepal’s UTC+5:45), plus the zones used in polar territories and some island groups, the total reaches 38 or more. Different counting methods produce different totals between 24 and 40.

Which country has the most time zones?

France has the most time zones of any country — 12 in total — due to its overseas territories spread across the globe, from French Polynesia (UTC−10) to Réunion (UTC+4). The United States has 11 time zones when overseas territories are included, and Russia has 11 within its mainland territory.

What is the most unusual time zone offset?

Nepal Standard Time at UTC+5:45 is the world’s only quarter-hour offset time zone currently in use. India Standard Time (UTC+5:30) and a handful of others use half-hour offsets. The Chatham Islands of New Zealand use UTC+12:45 in standard time and UTC+13:45 in summer, producing unusual three-quarter-hour offsets.

How Many Time Zones Are There?

March 17, 2026

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Frequently Asked Questions

How many time zones does the world have?: The world officially has 24 standard hour-offset time zones, but when you include half-hour and quarter-hour offsets (like India’s UTC+5:30 and Nepal’s UTC+5:45), plus the zones used in polar territories and some island groups, the total reaches 38 or more. Different counting methods produce different totals between 24 and 40.
Which country has the most time zones?: France has the most time zones of any country — 12 in total — due to its overseas territories spread across the globe, from French Polynesia (UTC−10) to Réunion (UTC+4). The United States has 11 time zones when overseas territories are included, and Russia has 11 within its mainland territory.
What is the most unusual time zone offset?: Nepal Standard Time at UTC+5:45 is the world’s only quarter-hour offset time zone currently in use. India Standard Time (UTC+5:30) and a handful of others use half-hour offsets. The Chatham Islands of New Zealand use UTC+12:45 in standard time and UTC+13:45 in summer, producing unusual three-quarter-hour offsets.