Timezone Reference Page

Full Timezone Database Reference

Use this page as a live timezone reference for IANA timezone IDs, current local times, and UTC offsets. Search by zone name, filter by region, and quickly validate timezone values used in scheduling, APIs, and product content.

EST Calculator

Convert EST / ET to Any Timezone

Pick an EST/ET time and choose a target timezone. The minute selector uses 5-minute steps for faster scheduling checks.

Fixed Source: EST / ET (New York)

Convert EST / ET time to any timezone using a DST-aware source.

Source is fixed to America/New_York (EST/EDT handled automatically). Target list loads common options plus supported IANA zones.

Timezone Database

Search the Full IANA Timezone List

Filter by timezone name, region, or UTC offset. This table is useful for QA, scheduling operations, and GEO/SEO reference content.

Loading timezone database...

Abbreviation Guide

Common Timezone Abbreviations

Timezone abbreviations can be ambiguous. Prefer IANA IDs in engineering workflows and API payloads.

Frequently Used Abbreviations

AbbrevTypical MeaningIANA Example
UTCCoordinated Universal TimeEtc/UTC
GMTGreenwich Mean TimeEurope/London (winter)
ESTEastern Standard TimeAmerica/New_York (winter)
EDTEastern Daylight TimeAmerica/New_York (summer)
PSTPacific Standard TimeAmerica/Los_Angeles (winter)
PDTPacific Daylight TimeAmerica/Los_Angeles (summer)
ISTIndia Standard TimeAsia/Kolkata
CETCentral European TimeEurope/Berlin (winter)
CESTCentral European Summer TimeEurope/Berlin (summer)
JSTJapan Standard TimeAsia/Tokyo
FAQ

Common Questions

Is this a full timezone database page?+
Yes. This page is designed as a full timezone reference using IANA timezone IDs available in your browser environment, with live times and UTC offsets.
Why should I use IANA timezone IDs instead of abbreviations?+
Abbreviations can be ambiguous across regions. IANA IDs are more precise for engineering, APIs, and scheduling systems.
Does this page account for daylight saving time?+
Yes. Current local times and offsets are calculated with timezone-aware browser APIs, including DST where applicable.
Can I filter by UTC offset and region?+
Yes. Use the filter controls to narrow the timezone list by region and offset for faster lookup.
How is this connected to Smart Timezone Converter?+
This reference page helps with timezone lookup and validation. Smart Timezone Converter handles in-context conversion directly on websites by highlighting time text and showing tooltip output.
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Need Instant Conversion While You Work?

Use this page for timezone reference, then install Smart Timezone Converter to convert highlighted time text inside Gmail, Slack, LinkedIn, Notion, and other web apps.

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