1025

The countdown inside The Tumor.

1025 is the third significant number to appear in Homestuck. It is the result of adding 413 to 612, symbolizing the interconnection between the kids' and the trolls' sessions, as well as the Green Sun.

Appearances as a Time

• Jade's countdown is not a variation of 413 like the other kids, but 10:25. This is related to Jade's guardian, Becquerel, also being a first guardian, and Jade's eventual merging with him. Jade also notes that these kinds of numbers are often significant.
• A timer starts counting down when Jack Noir appears in the trolls' session, starting at 10:25 when he slices the door to the kids' universe.
• Karkat wakes from dreaming at 5:12:30, according to the timer. 5:12:30 is half of 10:25:00.
• The Tumor contains a counter inside the center dot that starts at 10:25 when first seen.

Appearances as a Date

• In Hiveswap, one of Joey's diary entries is dated 10/25/1994, in the entry she laments her return to school and is surprised that she hasn't made a diary entry since school started on 6/12.
• The trailer for Hiveswap: Act 2 was uploaded on October 25th, 2020.

Appearances as a Random Number

• In the ministrife, Equius calls out Aradiabot #100502, which contains the digits 1, 0, 2, and 5, as well as Equius' associated number 100.
• In the Credits it is the streak number Dave has with John's Snapchat.

Appearances related to the Acts

• The Alterniabound flash was released on October 25, 2010 (10/25).
• Cascade was released on 10/25/11, exactly 2 years, 6 months and 12 days after 4/13/09 when Homestuck started, and also 1 year, 4 months and 13 days after 6/12/10 when Hivebent started. The time of posting was 12:50.
• GAME OVER was released on 10/25/14. Act 6 Act 6 Intermission 3 was posted in full later the same day.
• The Homestuck credits were released on 10/25/16.
• Homestuck: Book 3 was scheduled for release on 10/25/18.
• On October 25, 2018, musician James Roach posted a selfie of Andrew Hussie and a screenshot reaffirming that the Homestuck epilogue was in the works.
• Homestuck^2: Beyond Canon was announced and released on October 25, 2019.

Appearances related to the Songs

• The albums "Homestuck Vol. 6: Heir Transparent", "Homestuck Vol. 7: At the Price of Oblivion", "Homestuck Vol. 8" and "Homestuck Vol. 10" all cost $10.25. Vol. 8 was also released on October 25, 2011 and Vol. 10 contains 25 songs.
• The song "Clockwork ♫" from the album "Medium" is 5:13 long, while the song "Heat ♫" from the same album is 5:12 long (512+513 = 1025).