ET to KST Converter

Category: Time Zone Converters

- July 11, 2025

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Eastern Time (ET)

UTC-4/5 • New York, Toronto, Washington DC

Conversion Settings

Configure your timezone conversion preferences

Auto Convert

Daylight Saving Aware

Show UTC Offset

Show Seconds

Korea Standard Time (KST)

UTC+9 • Seoul, Busan, Pyongyang

--:--:--

Select a time to convert

Time Difference: --

UTC Offset (ET): -4

UTC Offset (KST): +9

DST Status: --

ET Time: --

KST Time: --

Time Format:

Current ET: --:--:--

Current KST: --:--:--

🌏 ET switches between EDT (UTC-4) and EST (UTC-5) with daylight saving. KST is always UTC+9 with no DST changes.

ET to KST Conversion Guide

What is ET to KST Conversion?

ET to KST conversion helps you translate time between Eastern Time and Korea Standard Time. Eastern Time switches between EDT (UTC-4) during daylight saving and EST (UTC-5) during standard time. KST is always UTC+9 with no daylight saving changes, making KST 13 hours ahead during EDT and 14 hours ahead during EST.

Time Zone Information

Eastern Time (ET): Used in eastern United States and parts of Canada. Switches between EDT (UTC-4) in summer and EST (UTC-5) in winter with daylight saving time.

Korea Standard Time (KST): Used in both South and North Korea, always UTC+9. Major cities include Seoul, Busan, and Pyongyang. No daylight saving time observed.

Time Difference: KST is 13 hours ahead during EDT period and 14 hours ahead during EST period.

Daylight Saving Time Impact

EDT Period: Observed from second Sunday in March to first Sunday in November when ET is UTC-4, making KST 13 hours ahead

EST Period: Observed from first Sunday in November to second Sunday in March when ET is UTC-5, making KST 14 hours ahead

KST Consistency: Korea Standard Time never changes and remains UTC+9 year-round

Common Conversion Examples

Business Hours (EDT)

EDT 9:00 AM → KST 10:00 PM

EDT 5:00 PM → KST 6:00 AM (next day)

Summer daylight saving period

Business Hours (EST)

EST 9:00 AM → KST 11:00 PM

EST 5:00 PM → KST 7:00 AM (next day)

Winter standard time period

International Meetings

EDT 6:00 AM → KST 7:00 PM

EST 7:00 AM → KST 9:00 PM

Early morning US, evening Korea

Market Trading

EDT 9:30 AM → KST 10:30 PM

EST 9:30 AM → KST 11:30 PM

NYSE opening times in Korea

Conversion Tips & Best Practices

• Add 13 hours to EDT or 14 hours to EST to get KST time

• KST dates often change when converting from ET due to the large time difference

• Business hours rarely overlap - plan meetings carefully

• Korea does not observe daylight saving time, making scheduling consistent year-round

• Consider the day change when scheduling late evening ET calls

• Financial markets operate on nearly opposite schedules between regions

ET to KST Converter

Whether you're scheduling a business call with someone in Seoul or trying to watch a live event airing in New York, figuring out what time it will be for the other person can get tricky. This ET to KST Converter takes care of the math, the daylight saving quirks, and even the AM/PM vs 24-hour format. Here's a quick reference of what countries fall under each timezone before you jump into converting:

Eastern Time (ET)	Korea Standard Time (KST)
🇺🇸 United States 🇨🇦 Canada 🇲🇽 Mexico 🇧🇸 Bahamas 🇹🇨 Turks and Caicos Islands 🇯🇲 Jamaica 🇭🇹 Haiti 🇨🇺 Cuba 🇵🇦 Panama 🇨🇴 Colombia 🇵🇪 Peru 🇪🇨 Ecuador 🇧🇿 Belize 🇧🇲 Bermuda	🇰🇷 South Korea 🇰🇵 North Korea 🇯🇵 Japan* 🇹🇱 Timor-Leste* 🇮🇩 Indonesia (eastern provinces)* 🇷🇺 Russia (Yakutsk Time)*

What This Tool Does for You

This ET to KST Converter helps you instantly convert between Eastern Time and Korea Standard Time. Whether you're working with colleagues, planning travel, or just staying in sync with friends or family on the other side of the world, this calculator takes care of time differences for you. It handles the complexities of Daylight Saving Time and displays exact converted times down to the second.

Why Use It Instead of Guessing?

Eastern Time shifts between EST and EDT depending on the time of year. KST doesn’t change. That gap between the two can cause meetings to shift by an hour without notice if you're not watching closely. With this tool, there’s no need to double-check calendars or fumble with manual math. It just works, every time.

How to Use It in Simple Steps

Step 1: Set the Time

Pick your date and time using the input fields under "Eastern Time (ET)" or switch to input Korea Standard Time if needed. There's a swap button if you're starting from KST instead.

Step 2: Choose the Right Time Zone

Select whether you’re starting from ET or KST. The tool shows the correct cities and updates automatically.

Step 3: Convert

Hit “Convert Time” to see the exact corresponding time in the other zone. Or hit “Now” to get the current time instantly converted.

Step 4: Read the Results

The output shows you the converted time, date, time difference, and any daylight saving impact. It even includes the UTC offsets if you toggle them on.

Tools for Precision Built Right In

Auto Convert

With this setting turned on, the tool will update the results in real time as you change the inputs. No need to hit the button manually.

Daylight Saving Awareness

This option makes sure the tool accounts for DST changes in Eastern Time. It's checked by default and only affects ET, not KST, which never changes.

Show UTC Offset

If you're working with global schedules or software systems, seeing the UTC offset can be helpful. Enable this box to show offsets like -04:00 or +09:00.

Show Seconds

Need precision down to the second? This toggle shows or hides the seconds in all time displays.

Time Format Toggle

You can switch between 12-hour and 24-hour format with a single click. The button label updates to show what you're using.

Live Clocks

At the bottom of the tool, live current clocks for ET and KST keep ticking every second. This helps with quick reference or syncing without touching anything.

A Real-World Example That Comes Up Often

If you're in Canada working remotely with a design team in South Korea, setting up a recurring meeting can be a challenge. For instance, if your team in Toronto starts their day at 9:00 AM ET, that’s 10:00 PM KST. You probably want to catch each other during a sliver of overlap, like 8:00 AM ET (9:00 PM KST). This tool lets you pinpoint those windows with zero guesswork.

Don't Let Time Zones Slow You Down

Whether you're working late in Bogotá or waking up early in Busan, this converter gives you clarity at a glance. It cuts out confusion, makes scheduling easier, and lets you focus on the work or connection that really matters. Once you've used it, flipping back and forth between ET and KST becomes second nature.

ET to KST Converter

Eastern Time (ET)

Conversion Settings

Korea Standard Time (KST)

ET to KST Conversion Guide

What is ET to KST Conversion?

Time Zone Information

Daylight Saving Time Impact

Common Conversion Examples

Conversion Tips & Best Practices

ET to KST Converter

What This Tool Does for You

Why Use It Instead of Guessing?

How to Use It in Simple Steps

Step 1: Set the Time

Step 2: Choose the Right Time Zone

Step 3: Convert

Step 4: Read the Results

Tools for Precision Built Right In

Auto Convert

Daylight Saving Awareness

Show UTC Offset

Show Seconds

Time Format Toggle

Live Clocks

A Real-World Example That Comes Up Often

Don't Let Time Zones Slow You Down

Time Zone Converters:

Time now in these cities:

Time now in countries:

Time now in time zones: