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Free deadline calculator

Employment Tribunal deadline calculator

Employment Tribunal time limits, including the three month less one day rule, ACAS Early Conciliation stop-the-clock extensions and the ET3 response window. Month-based limits use the corresponding-date rule.

England & Wales ยท Deemed service, clear days and bank holidays applied ยท Methodology

Month-based limits use the corresponding-date rule (Pruden v Cunard Ellerman). ACAS Early Conciliation extends the limit under s.207B ERA 1996. From 1 December 2025, the EC period is capped at 12 weeks.

ERA 2025: limits will double from 3 to 6 months (commencement no earlier than October 2026). The qualifying period for unfair dismissal reduces from 2 years to 6 months from January 2027.

Deadlines this calculator covers

9 encoded deadlines, each cited to its rule.

Unfair dismissals.111 ERA 1996
Discriminations.123 EqA 2010
Unlawful deduction from wagess.23 ERA 1996
Breach of contractET Extension of Jurisdiction Order 1994
Redundancy pays.164 ERA 1996
Equal pays.129 EqA 2010
Whistleblowing detriments.48(3) ERA 1996
Interim relief (unfair dismissal)s.128 ERA 1996
ET3 ResponseSchedule 1, Rule 16