Missing birth time
Kundli Matching Without an Exact Birth Time
The short answer
You can still get a meaningful guna score without an exact birth time, because the score is built primarily on the Moon's nakshatra — and the Moon stays in one nakshatra for roughly a full day, not an hour. So a missing or approximate time rarely changes the eight-koota total. Birth time matters most for the lagna (ascendant) and precise Manglik house placement, so if you have even a rough window, enter its midpoint; if you have nothing, sunrise is the standard convention. The compatibility score is still calculated either way.
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Why the score survives a missing time
The Ashtakoot total is dominated by Moon-based factors — Nadi, Bhakoot, Gana, Yoni, Tara and more all flow from the Moon's nakshatra and rashi. The Moon takes about 24 hours to cross a nakshatra, so unless your birth sits right on a boundary, the nakshatra (and therefore most of the 36 points) is the same across the whole day. This is why families abroad with only a birth date can still get a usable match.
What a missing time does affect
Two things sharpen with an exact time: the lagna (ascendant), which changes every ~2 hours, and the precise house placement of Mars for a Manglik reading. If your Manglik status is the deciding question, an approximate window helps. For the core compatibility score, it is usually not decisive — and the report flags any factor that a more exact time would firm up.
How to enter an approximate time honestly
If you know the part of day (morning, afternoon, night), enter the midpoint of that window — this keeps the lagna in the right range. If you have absolutely nothing, the standard sunrise convention is applied. We never invent a false precision; the report is transparent about what was assumed so you and any family astrologer can judge it.
Frequently asked
Can I match kundlis without knowing the birth time?
Yes. The guna score is based on the Moon's nakshatra, which changes about once a day, so a missing time rarely changes the total. Birth time mainly affects the ascendant and precise Manglik house placement.
How accurate is a match with an approximate time?
For the 36-point compatibility score, very accurate — most points don't move within a day. For a precise Manglik or ascendant reading, an approximate window (morning/evening) helps; enter its midpoint.
What time is used if I enter nothing?
Sunrise at the birth place, which is the traditional convention when time is unknown. The report states this assumption clearly.