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
Mars
2001-04-21 → 2001-04-22
Rahu
2001-04-22 → 2001-04-23
Jupiter
2001-04-23 → 2001-04-24
Saturn
2001-04-24 → 2001-04-26
Mercury
2001-04-26 → 2001-04-27
Ketu
2001-04-27 → 2001-04-27
Venus
2001-04-27 → 2001-04-29
Sun
2001-04-29 → 2001-04-29
Moon
2001-04-29 → 2001-04-30
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.