Free deadline calculator

SIAC arbitration deadline calculator

Time limits under the Singapore International Arbitration Centre rules, encoded from the rules themselves with the citation, period, trigger and roll-over treatment for each. Pick a seat in the calculator below to compute a due date on that seat's real weekend and public-holiday calendar.

2016 edition in force from 2016-08-01 · 2025 edition in force from 2025-01-01 · Methodology

Keep the England and Wales civil defaults and go straight to what happened, or change the jurisdiction and forum first.

Jurisdiction

Institution

SIAC (Singapore International Arbitration Centre) deadlines, encoded from the institution's rules with their citations. Choose the seat (which sets the weekends and public holidays), the date the clock started, and the deadline. Confirm the exact rule edition before relying on a date.

Seat of arbitration

Drives the holiday calendar and the seat-law deadlines below.

When did the clock start? (trigger date)

Which deadline?

Receipt of the Notice of Arbitration.

After the award

Court deadlines under the seat law (United Kingdom (England & Wales))

These run under the law of the seat, not the institutional rules, and must be tracked separately. They are computed from the date of the award; confirm the seat and dates with counsel.

Challenge / appeal the award (England & Wales)

Date of the award (or, for awards on/after 1 Aug 2025, the "applicable date" under the Arbitration Act 2025)

28 days

Arbitration Act 1996 s.70(3)

Limitation to enforce the award (England & Wales)

The cause of action to enforce accrues

6 years

Limitation Act 1980 s.7

Tribunal-set steps

Steps with no fixed statutory period

The rules set out these steps but fix no day count. The period is set by the tribunal's timetable, so confirm it against the institution's rules.

Emergency Arbitrator establishes a schedule

The date of appointment of the Emergency Arbitrator

The Emergency Arbitrator establishes a schedule within 24 hours of appointment. The engine has no sub-day unit, so this is held as a target rather than a computed day count.

SIAC Rules 2025 Schedule 1Verify against the rules

Emergency Arbitrator application before the Notice of Arbitration

The intended filing of the Notice of Arbitration

An application for emergency interim relief may be made up to 7 days before the Notice of Arbitration is filed; it is a window in which the application may be brought, not a deadline that bars a step.

SIAC Rules 2025 Schedule 1Verify against the rules

Legal disclaimer

Deadline Engine provides calculated dates based on procedural rules. It is not legal advice. You must independently verify every deadline against the underlying rules and the facts of your matter. Deadline Engine accepts no liability for missed deadlines.

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Cited to the rule