UTC to PDT Converter
Convert time between Coordinated Universal Time (UTC) and Pacific Daylight Time (PDT)
Coordinated Universal Time (UTC)
Pacific Daylight Time (PDT)
Time Difference
Pacific Daylight Time (PDT) is 0 hours ahead of Coordinated Universal Time (UTC)
Select Date
Select Time
Quick Reference
| UTC | PDT |
|---|---|
| 02:00 | 18:00 |
| 04:00 | 20:00 |
| 06:00 | 22:00 |
| 08:00 | 00:00 |
| 10:00 | 02:00 |
| 12:00 | 04:00 |
| 14:00 | 06:00 |
| 16:00 | 08:00 |
| 18:00 | 10:00 |
| 20:00 | 12:00 |
| 22:00 | 14:00 |
| 00:00 | 16:00 |
Top 10 Most Common Time Zones
| Abbreviation | Full Name | UTC Offset | Typical Use |
|---|---|---|---|
| UTC | Coordinated Universal Time | UTC ±0 | Global reference standard (servers, logs, APIs) |
| EST / EDT | Eastern (US) Time | UTC −5 / −4 | New York, Toronto — North American business hub |
| CST / CDT | Central (US) Time | UTC −6 / −5 | Chicago, Dallas — US central business region |
| PST / PDT | Pacific (US) Time | UTC −8 / −7 | San Francisco, Los Angeles — tech industry standard |
| GMT / BST | Greenwich Mean / British Summer Time | UTC 0 / +1 | UK, used globally as a reference with UTC |
| CET / CEST | Central European (Summer) Time | UTC +1 / +2 | Paris, Berlin, Amsterdam — EU business core |
| IST | India Standard Time | UTC +5:30 | India — major IT & outsourcing region |
| CST | China Standard Time | UTC +8 | Beijing, Shanghai — East Asia business hub |
| JST | Japan Standard Time | UTC +9 | Tokyo — finance & tech hub |
| AEST / AEDT | Australian Eastern (Daylight) Time | UTC +10 / +11 | Sydney, Melbourne — APAC regional business |
Why Time Zone Abbreviations Are Ambiguous
Unlike standardized identifiers (like America/New_York or Europe/London from the IANA tz database), abbreviations such as "CST" or "IST" are not globally unique. They can refer to different time zones depending on context — country, region, or even time of year (due to daylight saving time).
Common Ambiguous Time Zone Abbreviations
| Abbrev. | Common Meaning(s) | UTC Offset | Region(s) |
|---|---|---|---|
| CST | Central Standard Time / China Standard Time / Cuba Standard Time | UTC−6 / UTC+8 / UTC−5 | North America, China, Cuba |
| IST | Indian Standard Time / Irish Standard Time / Israel Standard Time | UTC+5:30 / UTC+1 / UTC+2 | India, Ireland, Israel |
| AST | Atlantic Standard Time / Arabia Standard Time | UTC−4 / UTC+3 | Caribbean, Canada, Middle East |
| PST | Pacific Standard Time / Philippine Standard Time | UTC−8 / UTC+8 | North America, Philippines |
| EST | Eastern Standard Time (North America / Australia) | UTC−5 / UTC+10 | North America, Australia |
✅ Best Practice
To avoid ambiguity, always:
- Use IANA tz identifiers — e.g.,
America/New_Yorkinstead of "EST" - Specify UTC offset explicitly — e.g.,
UTC−5when abbreviations must be used - Include the full timezone name — e.g., "Eastern Standard Time (EST)" with UTC offset
Related Time Zone Conversions
About UTC to PDT Time Conversion
Converting time from Coordinated Universal Time (UTC) to Pacific Daylight Time (PDT) is essential for international to US West Coast coordination during daylight saving time. UTC is the global standard, while PDT is UTC-7 (used during daylight saving time from March to November), making PDT 7 hours behind UTC.
This conversion is critical for global technology companies, international entertainment industry, and scientific research involving Pacific time zone operations during daylight saving time periods.
Common Use Cases for UTC to PDT Conversion
Business & Work
- Scheduling international meetings for West Coast participants during daylight saving time
- Coordinating global tech operations with Pacific headquarters
- Planning international media and entertainment events in Pacific timezone
Personal & Travel
- Arranging international travel to West Coast during summer months
- Coordinating with Pacific time zone family from abroad
- Planning global virtual events for US West Coast audiences
Time Zone Information
Coordinated Universal Time (UTC)
- UTC Offset: UTC+0
- IANA Timezone: UTC
- Daylight Saving: No daylight saving time
- Major Cities: Greenwich, London (in winter), Reykjavik
- Coverage: Global standard time reference
Pacific Daylight Time (PDT)
- UTC Offset: UTC-7 (UTC-8 during PST)
- IANA Timezone: America/Los_Angeles
- Daylight Saving: Second Sunday in March to First Sunday in November
- Major Cities: Los Angeles, San Francisco, Seattle, San Diego, Portland
- Coverage: Pacific United States and Canada (during daylight saving time)
Quick Reference: UTC to PDT
Remember: PDT is always 7 hours behind UTC (during daylight saving time)
Frequently Asked Questions
What is the time difference between UTC and PDT?
The time difference between UTC (Coordinated Universal Time) and PDT (Pacific Daylight Time) is 7 hours. PDT is 7 hours behind UTC. For example, when it is 7:00 PM UTC, it is 12:00 PM (noon) PDT.
When is PDT used instead of PST?
PDT (Pacific Daylight Time) is used during daylight saving time in the United States, which typically runs from the second Sunday in March to the first Sunday in November. During winter months, PST (Pacific Standard Time, UTC-8) is used instead.
How do I convert UTC time to PDT?
To convert UTC time to PDT, simply subtract 7 hours from the UTC time. For example: 3:00 PM UTC minus 7 hours equals 8:00 AM PDT. Our converter handles this calculation automatically for any time and date.
What major cities use Pacific Daylight Time?
Major cities in the PDT timezone include Los Angeles, San Francisco, Seattle, San Diego, Las Vegas, Portland, and Vancouver. These cities are located on the US West Coast and parts of British Columbia, Canada.
Is UTC the same as GMT?
UTC (Coordinated Universal Time) and GMT (Greenwich Mean Time) are very similar, but not exactly the same. UTC is the more precise global standard used for scientific and technical purposes, while GMT is based on solar time at the Prime Meridian in Greenwich, London. For practical purposes, they are often treated as equivalent.
How do I schedule meetings across UTC and PDT timezones?
When scheduling international meetings between UTC and PDT zones, remember the 7-hour difference. If you want a meeting at 10:00 AM PDT, that would be 5:00 PM UTC the same day. Our converter helps you find suitable meeting times across both timezones quickly.
Pro Tips
- • Remember that PDT is 7 hours behind UTC - when you add 7 hours to PDT, you get UTC time.
- • PDT is only used from March to November. During winter (November-March), use PST (UTC-8) instead.
- • When scheduling international calls with West Coast participants, ask them their PDT time to ensure accuracy during daylight saving time.
- • Technology companies and entertainment industry heavily use UTC for global coordination. Always confirm if your contact uses UTC or PDT.
- • Set phone reminders in both UTC and PDT when coordinating important events across timezones.
- • Use 24-hour time format to avoid confusion between AM and PM when converting between UTC and PDT.