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Cypress · Method

cy.clock

cy.clock() replaces selected browser time functions with controllable versions. Advance fake time with cy.tick() or the yielded clock object to test timers, dates, and time-based behavior without waiting.

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Syntax

cy.clock()
cy.clock(now)
cy.clock(now, functionNames)
cy.clock(options)
cy.clock(now, options)
cy.clock(now, functionNames, options)

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  • cy.tick()
  • clock.tick()
  • clock.restore()
  • clock.setSystemTime()
  • cy.spy()

Source: cy.clock() | Cypress API Documentation. Checked 2026-11-03.