Doomsday Clock Timeline: All 28 Changes from 1947 to 2026 (Complete History)

The Doomsday Clock has been adjusted 28 times since its creation in 1947 by the Bulletin of the Atomic Scientists. This complete timeline shows every change, from the original 7 minutes to midnight to today's record-low 85 seconds.

Key Milestones in the Doomsday Clock Timeline

1947: Clock created at 7 minutes to midnight
1953: 2 minutes — hydrogen bomb tests (closest until 2020)
1991: 17 minutes — furthest from midnight (Cold War ends)
2020: 100 seconds — enters sub-2-minute territory for first time
2023: 90 seconds — Russia-Ukraine war escalation
2025: 89 seconds — record at the time
2026: 85 seconds — closest ever to midnight

See the visual Doomsday Clock graph and chart | 2026 Update: Why it moved to 85 seconds

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Doomsday Clock Today - 85 Seconds to Midnight

The Doomsday Clock is currently set to 85 seconds to midnight, the closest it has ever been to global catastrophe. This symbolic timepiece, maintained by the Bulletin of the Atomic Scientists since 1947, represents how close humanity is to self-destruction.

Current Doomsday Clock Time (2026)

As of February 4, 2026, the clock moved to 85 seconds to midnight—a new record. The next announcement is expected in January 2027.

What is the Doomsday Clock?

The Doomsday Clock is a symbol that represents the likelihood of a human-made global catastrophe, in the opinion of the members of the Bulletin of the Atomic Scientists. Midnight represents global catastrophe.

Doomsday Clock History

1947: Clock created at 7 minutes to midnight
1953: Closest until 2020 at 2 minutes (hydrogen bomb tests)
1991: Furthest at 17 minutes (Cold War ends)
2015: 3 minutes to midnight — climate inaction and nuclear modernization
2020: 100 seconds to midnight — nuclear modernization, climate change, and cyber threats
2021: 100 seconds to midnight — unchanged amid COVID-19 and political instability
2022: 100 seconds to midnight — unchanged, growing nuclear and climate threats
2023: 90 seconds to midnight — Russia-Ukraine war raises nuclear tensions
2024: 90 seconds to midnight — unchanged, ongoing global conflicts
2025: 89 seconds to midnight — new record, escalating nuclear risks and AI threats
2026: 85 seconds to midnight — closest ever, driven by nuclear risks, Middle East conflict, climate, and AI

Doomsday Clock 2026 Prediction & Date

On February 4, 2026, the Bulletin of the Atomic Scientists moved the Doomsday Clock to 85 seconds to midnight. The next Doomsday Clock announcement is expected in January 2027.

Doomsday Clock by Year

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