Ballpark — May 4, 2026

Time zones in the US (commonly counted)

~6 time zones

Commonly counted as 6, depending on territories.

Calories in a stick of butter

813 calories

Pure fat is energy-dense.

People who speak English as a first or second language

1.49 billion

Includes native and non-native speakers.

Hours in a Martian day

25 hours

Known as a "Sol" to NASA engineers.

Length of the world's longest tunnel (Gotthard Base Tunnel)

35 miles

Took 17 years to build.