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
Mercury
2018-10-01 → 2018-10-02
Ketu
2018-10-02 → 2018-10-03
Venus
2018-10-03 → 2018-10-04
Sun
2018-10-04 → 2018-10-04
Moon
2018-10-04 → 2018-10-05
Mars
2018-10-05 → 2018-10-06
Rahu
2018-10-06 → 2018-10-07
Jupiter
2018-10-07 → 2018-10-08
Saturn
2018-10-08 → 2018-10-10
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.