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Time discrepancy in data exported from web
tandlerj
 Post subject: Time discrepancy in data exported from web Post rating: 0   New post Posted: Sun 20 Nov, 2016, 20:57 
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Joined: Sun 20 Nov, 2016, 20:20
Posts: 5
Location: Czech Republic,
Hello,

I've noticed that timestamps of data exported using web interface do not match for different time frames. For example:
- AUD/NZD tick data exported for 3.10.2016 start at 23:00 (on 2.10.) and the first ask price is 1.05245
- AUD/NZD M1 data exported for 3.10.2016 start at 00:00 (on 3.10.) and the open price is 1.05245
So it seems that the timestamps are shifted by an hour despite the fact that both files were exported with GMT settings.

With data exported for 14.11. the situation is different:
- AUD/NZD tick data exported for 14.11.2016 start at 00:00 (on 14.11.) and first ask price is 1.06172
- AUD/NZD M1 data exported for 14.11.2016 also start at 00:00 (on 14.11.) and the open price is 1.06172
In this second case data exported with GMT settings are aligned for different timeframes.

It seems that the difference might be related to DST switch. My question is: shouldn't all the data be aligned regardless of their time frame? And second: if this is indeed caused by DST, why has it (i.e. DST) any influence on GMT data at all? Isn't GMT+0 supposed to be free of DST switching?
 
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