Time Zone Conversion Clusters

Browse all converters organized by source time zone. Find every conversion from your timezone in one place.

Pacific Standard Time (PST) Cluster

Convert from PST (Los Angeles, San Francisco, Seattle, Portland, San Diego, Las Vegas) to any timezone

UTC-8 / UTC-7 (DST) LA, SF, Seattle, Vegas 9 Conversions

Eastern Standard Time (EST) Cluster

Convert from EST (New York, Washington DC, Toronto, Miami, Boston, Philadelphia) to any timezone

UTC-5 / UTC-4 (DST) NYC, DC, Miami, Toronto 9 Conversions

Greenwich Mean Time (GMT) Cluster

Convert from GMT (London, Dublin, Lisbon, Edinburgh, Reykjavik) to any timezone

UTC+0 / UTC+1 (BST) London, Dublin, Lisbon 9 Conversions

Indian Standard Time (IST) Cluster

Convert from IST (Mumbai, Delhi, Bangalore, Hyderabad, Chennai, Kolkata) to any timezone

UTC+5:30 (No DST) Mumbai, Delhi, Bangalore 9 Conversions

Coordinated Universal Time (UTC) Cluster

Convert from UTC (the global time standard) to any timezone

UTC+0 (No DST) Global Time Standard 9 Conversions

Central Standard Time (CST) Cluster

Convert from CST (Chicago, Dallas, Houston, Mexico City) to any timezone

UTC-6 / UTC-5 (DST) Chicago, Dallas, Houston 5 Conversions

Japan Standard Time (JST) Cluster

Convert from JST (Tokyo, Osaka, Kyoto, Yokohama, Sapporo) to any timezone

UTC+9 (No DST) Tokyo, Osaka, Kyoto 8 Conversions

Quick Jump to Cluster

PST EST GMT IST UTC CST JST

Frequently Asked Questions

How are time zones organized on this page?

Time zones are organized into regional clusters: PST (Pacific), EST (Eastern), GMT (Greenwich), IST (India), UTC (Universal), CST (Central), and JST (Japan). Each cluster shows all available conversions FROM that timezone to other major timezones.

What's the difference between GMT and UTC?

GMT (Greenwich Mean Time) and UTC (Coordinated Universal Time) are nearly identical in practice. GMT is a timezone used in the UK, while UTC is the global time standard. Both are at +0 offset, making conversions between them show the same time.

How many conversions are in each timezone cluster?

Each cluster contains 5-9 conversions. For example, the EST cluster has 9 converters (EST to PST, IST, GMT, UTC, CST, JST, AEST, CET, MST), while the CST cluster has 5 converters to the most commonly used timezones.

Which timezone cluster has the most conversions?

The PST, EST, GMT, IST, and UTC clusters each have 9 conversion tools, making them the most comprehensive. These major timezones cover the largest population centers and economic hubs globally.

Are DST changes included in timezone conversions?

Yes, all timezone conversions automatically account for Daylight Saving Time. When PST becomes PDT or EST becomes EDT, our converters adjust the time difference accordingly to ensure accuracy throughout the year.