ARTICLE
12 March 2025

Daylight saving time starts in Europe and the UK

TRAction

Contributor

TRAction provides financial and regulatory technology services across Europe, Asia Pacific and Canada. We support financial firms, brokers, investment managers, banks and electricity suppliers in complying with their reporting obligations, and process millions of reportable transactions each day. TRAction acts as an intermediary between regulated financial firms and licensed Trade Repositories (TR) and/or Approved Reporting Mechanisms (ARM).
Most European countries alongside the UK will need to turn their clocks forward by 1 hour on Sunday, 30 March 2025.
United Kingdom Strategy

Most European countries alongside the UK will need to turn their clocks forward by 1 hour this Sunday, 30 March 2025. While you enjoy the sun and longer days, you will also need to check that the time settings in your trade/transaction reporting are correct.

Here are TRAction's two tips to help you ensure your trades/transactions are reported at the correct time.

1. Check the Time fields in your handback files

The first day that you receive handback files for trades/transactions carried out after the commencement of daylight savings will be Tuesday, 1 April 2025.

If your market is closed on Monday, 31 March 2025 (e.g. Malta), the first day you receive handback files after the time change will be Wednesday, 2 April 2025.

Either way, it's important to do the following check and act promptly if there is any problem.

You will need to cross-check the time of your trades/transactions against the UTC time recorded under the following LSEG Regulatory Reporting (formerly UnaVista) and DTCC fields:

  • MiFIR – Trading Date Time field (LSEG Post Trade (formerly UnaVista));
  • EMIR – Execution Timestamp field (LSEG Post Trade (formerly UnaVista));
  • SFTR – Execution Timestamp field (DTCC).

How to check?

  • Pick a few trades from your raw data and convert the time to UTC time; and
  • compare those against the UTC populated under the fields as described above in your handback files.

If the time does not match, please contact us.

2. Check time recorded for daily snapshot (if applicable)

For firms who do a daily snapshot for trade/transaction reporting, double check if it is taking place at the intended end-of-day time.

With these simple checks above, you will save time, effort and breaches in the future by avoiding the need to submit corrections for inaccurately reported trades.

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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