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 → Jupiter
Rahu
2018-09-02 → 2018-09-04
Jupiter
2018-09-04 → 2018-09-05
Saturn
2018-09-05 → 2018-09-07
Mercury
2018-09-07 → 2018-09-08
Ketu
2018-09-08 → 2018-09-09
Venus
2018-09-09 → 2018-09-10
Sun
2018-09-10 → 2018-09-11
Moon
2018-09-11 → 2018-09-12
Mars
2018-09-12 → 2018-09-12
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.