The Vimśottarī tree to five levels. Every boundary is an exact division of its parent — the last child ends precisely where the parent does — and the year length is named because it changes the answer. Nothing entered here is stored on our servers — your browser alone remembers your last-used details.
Year length: 365.25636 days (meanSiderealDrik) · running now: Jupiter → Ketu → Saturn → Moon → Rahu
Rahu
1997-12-23 → 1997-12-31
Jupiter
1997-12-31 → 1998-01-07
Saturn
1998-01-07 → 1998-01-16
Mercury
1998-01-16 → 1998-01-24
Ketu
1998-01-24 → 1998-01-27
Venus
1998-01-27 → 1998-02-05
Sun
1998-02-05 → 1998-02-07
Moon
1998-02-07 → 1998-02-12
Mars
1998-02-12 → 1998-02-15
Boundary times are root-found and residual-verified, never interpolated. Change the convention and these numbers change — which is why it is printed beside them.