MetaQuotes-Demo: matching M1/H1 gaps at 23:00 and 00:00 on XAUAUD/XPTUSD, 15–17 Sep 2026

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Hello,

I am investigating historical bar availability on MetaQuotes-Demo, MT5 build 6191, for XAUAUD and XPTUSD.

A native MQL5 script made one date-range CopyTime request per symbol/timeframe/window: eight calls in total, with no retries. Both M1 and H1 were queried for these inclusive raw timestamp ranges:

  • 1789509600 – 1789523999 : raw labels 15 Sep 2026 22:00:00 to 16 Sep 01:59:59.
  • 1789596000 – 1789610399 : raw labels 16 Sep 2026 22:00:00 to 17 Sep 01:59:59.

These labels are not asserted to be UTC; no timezone correction was applied.

The same result occurred for both symbols in both windows:

Raw hour M1 opening timestamps returned H1 opening timestamps returned
22:00–22:59 60 1
23:00–23:59 0 0
00:00–00:59 0 0
01:00–01:59 60 1

All calls reported error 0. SERIES_SYNCHRONIZED was 1 after each call; it was 0 before the first M1 call for each symbol. A previous H1 capture showed the same gaps.

A separate two-pass capture using SymbolInfoSessionQuote and SymbolInfoSessionTrade returned weekday sessions 00:00–23:00 for both symbols. I understand that a current weekly schedule does not establish the historical calendar, and missing returned bars do not prove that no ticks existed.

Could MetaQuotes or someone with a documented server-specific reference clarify:

  1. Do historical bar timestamps and session times on this server share the same time basis? What UTC offset/DST rule applied on 15–17 September 2026?
  2. Was the raw 23:00–01:00 gap expected on these dates? In particular, why are there no returned bars during raw 00:00–00:59, apparently inside the reported session if the time bases coincide?
  3. How can an expected quotation pause be distinguished from incomplete history here, and what documented recovery/verification procedure should be used if history is incomplete?

The evidence attachment contains timestamp and session observations, with no account identifiers, prices or trading logic. This is a request for clarification, not a confirmed platform bug report.

Thank you.

 
Luca Puppi:
I am investigating historical bar availability on MetaQuotes-Demo...

I wouldn't waste much time analyzing data from a Metaquotes Demo account. That data is notoriously unreliable.

I use a Metaquotes Demo account only for code development (staying ahead of the Build curve, so to speak) and verifying basic code functionality.

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