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
Jupiter
2018-12-04 → 2018-12-05
Saturn
2018-12-05 → 2018-12-08
Mercury
2018-12-08 → 2018-12-10
Ketu
2018-12-10 → 2018-12-10
Venus
2018-12-10 → 2018-12-13
Sun
2018-12-13 → 2018-12-13
Moon
2018-12-13 → 2018-12-15
Mars
2018-12-15 → 2018-12-15
Rahu
2018-12-15 → 2018-12-17
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.