How to Change MT4 Time Zone: What You Can and Can’t

By FXNook Lab team

You cannot change the broker’s chart time zone in MT4: chart candles and Market Watch quote times use the broker’s trade-server clock, and MT4 has no terminal setting to switch them to your local time. You can compare that clock with UTC, convert times manually, or use an indicator that displays a converted time, but those options do not change the underlying chart timestamps.

This distinction matters when you read a candle, check an order’s history, or set an EA’s trading hours. Changing the computer’s clock does not change the broker’s server time, and it is not a reliable way to change what MT4 records.

Can you change the time zone in MT4?

No. MT4 displays chart and quote times based on the broker’s trade server. The broker chooses its server-time policy, so two brokers can show different times at the same moment even when their charts use the same symbol and timeframe.

There is no MT4 preference for choosing UTC, your computer’s time zone, or another region’s time zone for chart candles. Changing a time-zone setting in Windows or macOS changes the computer’s local clock, not the time assigned to incoming quotes by the broker.

MT4’s time functions reflect this distinction. TimeCurrent() returns the time of the latest known server quote, while TimeLocal() returns the computer’s local time. The documentation for TimeCurrent and TimeLocal describes these separate clocks.

In a simple MT4 Expert Advisor, you can print both values to the Experts log when a tick arrives:

// MQL4 Expert Advisor
void OnTick()
{
   Print("Server time: ", TimeToString(TimeCurrent(), TIME_DATE | TIME_SECONDS));
   Print("Computer local time: ", TimeToString(TimeLocal(), TIME_DATE | TIME_SECONDS));
}

This example reports the times; it does not convert or change the chart. Because TimeCurrent() is tied to incoming quotes, its value may not advance during a period with no new tick. That is normal and is one reason to compare clocks while the market is providing fresh quotes.

Find your broker’s server time and UTC offset

Start with the broker’s published information. Its platform guide or support team may state the server’s time zone or its daylight-saving schedule. If it does not, compare an up-to-date MT4 quote timestamp with a reliable UTC clock while the symbol is receiving quotes.

1. Show the quote time. Open Market Watch and, if the Time column is available but hidden, enable it from the window’s context menu. The time shown for a symbol is associated with its latest quote, so use a symbol that is actively receiving prices.
2. Get the matching UTC time. Compare the quote timestamp with a reliable UTC clock at nearly the same moment. Avoid using an old candle or a quote that has stopped updating, since either can make the comparison misleading.
3. Calculate the difference. If the server reads 14:00 when UTC reads 12:00, the server is UTC+2 at that moment. If the server reads 07:00 while UTC reads 12:00, it is UTC−5.
4. Repeat when the offset may change. Brokers can adjust their server clocks for daylight-saving periods or use a different schedule from your region. Recheck after a seasonal clock change rather than assuming the offset stays fixed all year.

The comparison gives the server’s offset at that moment, not necessarily a permanent setting. Take care around midnight: when the two clocks show different calendar dates, compare full date-and-time values rather than subtracting only the hour numbers. A quote timestamp can also be slightly behind your reference clock because the quote and the clock reading were not captured at precisely the same instant.

Keep your own time zone separate from the server’s. For example, if your computer is set to a regional time zone, its UTC offset can change when that region enters or leaves daylight-saving time. The broker’s offset can change on a different date, or not change at all, so knowing your local offset alone does not tell you the server offset.

Convert MT4 chart time to your local time

To convert a chart timestamp, compare the server’s current UTC offset with your location’s current UTC offset. Subtract the local offset from the server offset to find how far server time is ahead of or behind your local time.

For an illustrative example, suppose the server is UTC+2 and your location is UTC−5. The server is seven hours ahead of you, so subtract seven hours from the chart time. A candle timestamp of 14:30 server time converts to 07:30 local time on the same date.

Dates can change during the conversion. If the chart shows 03:00 and you subtract seven hours, the result is 20:00 on the previous local day. Write down the date as well as the time when converting an overnight session, an order opening time, or a news release timestamp.

The UTC+2 and UTC−5 figures are examples only. Your broker’s server offset and your own location’s offset depend on their respective clock policies and the date. Recalculate whenever either side changes its daylight-saving time; do not treat an example or an old note as a permanent offset.

Ways to display another time zone

There are three practical ways to work with a preferred time zone. Each has a different trade-off: a converter is quick, a chart indicator is convenient, and a written offset is simple but needs regular attention.

A time-zone converter is useful when you need to check one candle, session boundary, or order time. Use the full date when entering a timestamp, because daylight-saving rules can make the same server hour correspond to different local hours at different times of year.

A chart clock or indicator can make recurring comparisons easier. Depending on how it is programmed, it may show local time, UTC, or a selected offset alongside the broker-time chart. It does not move candles, change Market Watch timestamps, or rewrite order history. If the display is wrong, the conversion settings or the indicator’s treatment of seasonal changes may be wrong even while the underlying chart is functioning normally.

Recording the offset manually is often enough if you only check times occasionally. Note the date you checked it, the server’s UTC offset, and your local offset. When either changes, update the note before using it to interpret a session or test an EA’s time rules.

Why the server offset can change

Brokers choose how their trade servers keep time. Some change the server clock seasonally; others may keep a fixed offset or follow a schedule that differs from the one used in your country. MT4 does not impose one universal server time for every broker.

A seasonal change can alter the number of hours between the server and UTC without changing your own clock. Your local offset can also change on a separate date. For example, after one region changes its clocks but the broker has not yet changed its server schedule, the difference between your local time and MT4 can temporarily be different from the usual difference.

That can affect when a daily candle begins, how a session appears on the chart, and which hour an EA treats as the start of a trading window. Do not infer the current offset from an old chart screenshot or a forum post. Use the broker’s current reference, or compare a live quote with UTC again.

What server time means for EAs and orders

Many MT4 EAs use server-based time when they evaluate sessions, trading days, or candle boundaries. An EA might call TimeCurrent() and inspect the hour to decide whether a rule applies. Its session input must match the time basis used by that code; entering your local session hours without converting them can shift the EA’s intended window.

Bar timestamps on MT4 charts also follow the broker’s server clock. If an EA checks a new bar or compares the time of a candle with a scheduled event, those times should be interpreted in the same basis as the data. An indicator that merely draws a local-time label does not automatically change the time values used by the EA.

Order and history timestamps are tied to the platform’s broker-side time records. As a result, an EA that logs or compares order times should not assume that the displayed hour is your computer’s local hour. If you export or manually review trading records, document the offset used for any conversion.

Changing the computer clock is not a workaround. It does not change the timestamps supplied by the broker, and it can make code or logs that use TimeLocal() harder to interpret. Keep the computer clock and time zone correctly set, then convert server time where a local-time view is needed.

Test any EA session filter with the same time assumptions you intend to use live. In MetaEditor, a successful compile only shows that the code passed compilation; it does not prove that the hour filter matches your intended local session. Use Strategy Tester to inspect the tested period and the EA’s log around session boundaries, then verify the clock basis on a demo account if the EA relies on live quote time or broker-specific scheduling.

Checklist: verify the time you are using

1. Identify the clock. Decide whether the timestamp you are reading is broker server time, UTC, or your computer’s local time. MT4 chart candles and quote timestamps use server time.
2. Find the current server offset. Use the broker’s current time reference or compare a fresh Market Watch quote time with UTC.
3. Account for the date. Check whether the broker or your location has changed clocks for daylight saving, and use the offset that applies on the date you are converting.
4. Verify any indicator. Compare its displayed time with a known UTC or local clock. Confirm that its offset and seasonal-change handling match your needs.
5. Test EA time rules. Review the session inputs and log entries around the relevant hours in Strategy Tester, then check behavior on demo if needed.

The practical next step is to compare a fresh quote timestamp with UTC, write down the current offset and date, and convert one chart time that matters to your work. If you want a custom on-chart clock, the FXNook AI Indicator Builder can build custom indicators; specify the time basis and offset behavior you need, then verify its display against a reliable clock.