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
Mercury
2011-01-31 → 2011-02-03
Ketu
2011-02-03 → 2011-02-04
Venus
2011-02-04 → 2011-02-08
Sun
2011-02-08 → 2011-02-09
Moon
2011-02-09 → 2011-02-11
Mars
2011-02-11 → 2011-02-12
Rahu
2011-02-12 → 2011-02-15
Jupiter
2011-02-15 → 2011-02-18
Saturn
2011-02-18 → 2011-02-21
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.