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
Moon
2011-09-18 → 2011-09-20
Mars
2011-09-20 → 2011-09-22
Rahu
2011-09-22 → 2011-09-27
Jupiter
2011-09-27 → 2011-10-01
Saturn
2011-10-01 → 2011-10-06
Mercury
2011-10-06 → 2011-10-11
Ketu
2011-10-11 → 2011-10-13
Venus
2011-10-13 → 2011-10-18
Sun
2011-10-18 → 2011-10-20
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.