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
Ketu
2015-04-20 → 2015-04-23
Venus
2015-04-23 → 2015-05-04
Sun
2015-05-04 → 2015-05-07
Moon
2015-05-07 → 2015-05-12
Mars
2015-05-12 → 2015-05-16
Rahu
2015-05-16 → 2015-05-26
Jupiter
2015-05-26 → 2015-06-03
Saturn
2015-06-03 → 2015-06-13
Mercury
2015-06-13 → 2015-06-22
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.