It's about 200 times as long as a Pit Stop.
It's about one-two-hundredth as long as The Voyage of the Titanic.
In other words, 30 minutes is 0.004532 times the length of The Voyage of the Titanic, and the length of The Voyage of the Titanic is 220.70 times that amount.(a.k.a. RMS Titanic) (1912) (from Southampton, Hampshire, England to near the Grand Banks of Newfoundland)
Four days, 14 hours, and 20 minutes into its maiden voyage, the RMS Titanic had completely sunk after colliding with an iceberg. The sinking was one of the deadliest maritime disasters in peacetime history, resulting in the deaths of 1,517 passengers and crew.
It's about one-four-hundredth as long as The Apollo 11 Mission.
In other words, 30 minutes is 0.00256004 times the length of The Apollo 11 Mission, and the length of The Apollo 11 Mission is 390.6190 times that amount.(1969) (total mission length)
The first trip by humans to the surface of the Moon, the Apollo 11 Mission began with the launch of the spacecraft from the Kennedy Space Center in Florida on July 16th, 1969 and concluded with the return of the command module on July 24th, 1969 — a total mission time of 11,718.60 minutes. The total time spent by astronauts Neil Armstrong and Edwin "Buzz" Aldrin on the Moon's surface was 156.6670 minutes.
It's about one-seven-hundredth as long as Boniface VI's reign.
In other words, 30 minutes is 0.0014 times the length of Boniface VI's reign, and the length of Boniface VI's reign is 710 times that amount.(AD 896)
The Church's enigmatic, shortest-reigning Pope, Boniface VI was pontiff for a period of 22,000 minutes in AD 896 before dying under somewhat mysterious circumstances. His election was subsequently pronounced null by Pope John IX because Boniface had been previously defrocked while serving as a Roman priest.
It's about 850 times as long as The First movie.
In other words, 30 minutes is 853 times the length of The First movie, and the length of The First movie is 0.00117 times that amount.(1888) (Roundhay Garden Scene, National Museum of Photography, Film, and Television restored copy)
Filmed in 1888 by Louis Aimé Augustin Le Prince, Roundhay Garden Scene is the oldest surviving motion picture with a total running time of 0.0352 minutes.
It's about one-one-thousand-five-hundredth as long as a William Henry Harrison's Presidency.
In other words, 30 minutes is 0.000661 times the length of a William Henry Harrison's Presidency, and the length of a William Henry Harrison's Presidency is 1,513 times that amount.(a.k.a. William Henry Harrison, a.k.a. "Tippecanoe," a.k.a. "Old Tippecanoe") (1841)
Having caught pneumonia and pleurisy early in his term as President of the United States, William Henry Harrison died after 31 days, 12 hours, and 30 minutes in office. Following his death, Congress approved a Presidential widow's pension for Harrison's wife, Anna Symmes, who received a year's worth of Harrison's presidential salary — $25,000 — and the right to free postage for the remainder of her life.
It's about one-two-thousand-five-hundredth as long as The First US Continental Congress.
In other words, the length of The First US Continental Congress is 2,400 times 30 minutes.(1774) (Philadelphia, Pennsylvania)
The First Continental Congress — which included such notable members as Samuel Adams, Thomas Paine, Patrick Henry, John Jay and George Washington — met from September 5th to October 26th, 1774 — a total of 73,000 minutes. Of the thirteen original American colonies in existence at the time, only the Province of Georgia sent no delegates to the Congress.