Star Trek Stardate Calculator

About these tools

These web-based tools can convert between calendar dates and Star Trek Stardates, and are useful for fan fiction writers or role-playing game (RPG) participants.

The calculations are based on prior work by Phillip L. Sublett of TrekGuide.com.

Calendar date to TNG Stardate

is Stardate

TNG Stardate to Calendar date

is Calendar date

Calendar date to TOS Stardate

coming soon

TOS Stardate to Calendar date

coming soon