Will leap seconds still exist on 31 December 2050?

Frequently asked questions

What are the current odds for Will leap seconds still exist on 31 December 2050??

Manifold Markets prices No, civil time based on atomic time (e.g. TAI) and fully decoupled from Earth rotation at 37.6% as of October 26, 2026.

When does Will leap seconds still exist on 31 December 2050? resolve?

Will leap seconds still exist on 31 December 2050? is scheduled to resolve on December 31, 2050.

How is Will leap seconds still exist on 31 December 2050? settled?

Manifold Markets settles this market as follows: (If they're replaced by leap minutes, there will be around one every few decades, and if they're replaced by leap hours, there will be around one every couple millennia.) Resolves based on what the rules are on 31 December 2050, regardless of how many or how few leap seconds/minutes/hours are actually added or subtracted.

Use this market in code or an AI agent

Free JSON for this market, no API key needed:

AI agents: call pm_data_event on the CoinRithm MCP server:

POLYMARKET

Will the US confirm that aliens exist by which date?

• December 31+0.5pt4%
• October 31-0.3pt1%

+5 more outcomes

Total Vol

$75.3M

24h Vol

$171.8K

KALSHI

Will the U.S. confirm that aliens exist?

• Before Jan 20, 202923.5%
• Before Jan 1, 202813.5%
• Before Jan 1, 2027-0.1pt4.6%

POLYMARKET

Marathon Fusion's high-rate gold alchemy confirmed by which date?

• June 30+1.0pt54%
• December 31-2.0pt10%

Total Vol

$20.7K

24h Vol

$4.1K

KALSHI

How many major Atlantic hurricanes will there be in 2026?

• Above 1+1.0pt14.5%
• Above 2+4.0pt6%
• Above 70.5%

KALSHI

Will WHO declare Hantavirus a Public Health Emergency of International Concern this Year?

• No97.7%
• Yes2.4%

Total Vol

$2M

24h Vol

$2.3K

KALSHI

Which country will be the next to send humans to the Moon?

• United States-1.2pt56.5%
• China+0.3pt30.6%
• Russia+0.2pt1.9%

• What will the biggest earthquake be on October 26, 2026?
• Where will 2026 rank among the hottest years on record?
• Will 2026 be the hottest year ever?
• Is Earth flat?
• What will be the largest source of global primary energy consumption in 2030?
• When will P vs NP be resolved?
• US grants license for new nuclear reactor before 2027?
• How many human H5N1 cases will be reported in the United States in 2026?
• Which Millennium Prize Problem will be solved next?
• How many gonorrhea cases will be reported in the United States in 2026?
• How many human screwworm cases will be reported in the United States in 2026?