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
Moon
2030-04-04 → 2030-05-15
Mars
2030-05-15 → 2030-06-12
Rahu
2030-06-12 → 2030-08-24
Jupiter
2030-08-24 → 2030-10-28
Saturn
2030-10-28 → 2031-01-13
Mercury
2031-01-13 → 2031-03-23
Ketu
2031-03-23 → 2031-04-21
Venus
2031-04-21 → 2031-07-11
Sun
2031-07-11 → 2031-08-04
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.