It take exactly 75 to 76 years.
76 years.
Halley's Comet takes 73.5 years to orbit the sun but every comet is different just like planets.
It takes 75 years
76 years
2,537 years
about 76 years
Approximately every 76 years 1986 + 76 = 2062
The orbital period of Halley's Comet is about 75.3 years.
It can take from a few years to hundreds of thousands of years.
Define "normal" - it varies from a few years to many centuries.
Halley's Comet orbits the sun, not the earth, roughly every 76 years.
It takes some 75 to 76 years for Halley's Comet to orbit the sun. It last appeared in the inner Solar System in 1986, and will next appear in mid 2061. A link is provided to the Wikipedia article on Comet Halley.