Leap News

YES

A day will be 24 hours, 39 minutes and 35.244 SI seconds long

Other

A day will be 24h×60m×60s using a "mars second" equal to 1.0275 SI seconds.

A day will be 24h×60m×60s where a "second" is a unit of angle rather than time, equal to 1/86400 of a revolution w.r.t the sun (i.e. the equivalent of Earth's UT1, this is called "Coordinated Mars Time")

A day will be 24h×60m×60s using SI seconds (and will drift with respect to mean solar time by ~40 minutes a day)

YES

5% - 10%

10% - 15%

<5%

15% - 20%

20% - 25%

25% - 30%

Other

30% - 35%

35% - 40%

40% - 45%

Other

10% - 15%

15% - 20%

5% - 10%

20% - 25%

30% - 35%

25% - 30%

35% - 40%

40% - 45%

45% - 50%

YES

YES

No, civil time based on atomic time (e.g. TAI) and fully decoupled from Earth rotation

Yes

No, replaced with leap minutes

No, replaced with leap hours

Something else

NO

YES

It will be spoken in English

It will be spoken by an America

It will be spoken before 2030

YES