25th century

(24th century – 25th century – 26th century – more centuries)

The 25th century (Gregorian Calendar) comprises the years 2400–2499.

Astronomical predictions for the 25th century

• Belgian astronomer Jean Meeus asserts that the orbits of all nine planets will be within the same 90° arc of the solar system on 6 May, 2492. The last time this is believed to have occurred was on 1 February, 949. [1]
• November 17, 2400: Venus will occult Antares (last occultation of Antares by Venus was on September 17th, 525BC
• December 30th, 2419 – At 01:38UTC Venus will occult Uranus
• 2456: Triple conjunction Mars-Jupiter
• August 29th, 2478 At 23:11UTC Mars will occult Jupiter
• June 12th, 2490: Transit of Venus
• June 10th, 2498: Transit of Venus

Science fiction set in the 25th century

• Buck Rogers (c. 2419 – original; 2491 – 1970s TV series)
• The computer game Starcraft is said to begin on December 12, 2499 (and may cross over into the early 26th century)