Sunrise, brahma muhurta and the lunar day in Boston

Massachusetts, United States · 42.36°, -71.06° · America/New York

Written and reviewed by The Kriya Yogi · Updated 21 September 2026

Friday, November 6, 2026

Brahma muhurta

4:48 AM – 5:36 AM

Sunrise

6:24 AM

Sunset

4:33 PM

Daylight

10h 09m

Lunar day (tithi)

Trayodashi

Fortnight

Waning (krishna)

Moon

Waning crescent · 8% lit

Nakshatra

Hasta

Boston is the far eastern edge of the Eastern zone, so it gets the earliest clock sunrise of the major East Coast cities.

Boston's academic density has long supported serious study of yoga philosophy and Sanskrit alongside studio practice, with several universities in the area maintaining South Asian studies programs that have shaped how the tradition is taught and discussed locally. Winters here are cold and can be harsh, with nor'easters occasionally burying the region in snow for a day or two and making any outdoor pre-dawn plan impossible; a warm, draft-free indoor space becomes essential rather than a preference from December through February. Being the easternmost major city in its time zone means Boston gets the earliest clock sunrise on the East Coast, which in practice gives residents here a slightly earlier true pre-dawn window than their Eastern-zone neighbors to the west, even at similar latitudes.

The next ten days in Boston

Times are local to Boston and recalculated every time this page loads. The lunar day shown is the one in force at local sunrise.

DateBrahma muhurtaSunriseSunsetDaylightTithiMoonNakshatra
Fri, Nov 64:48 AM – 5:36 AM6:24 AM4:33 PM10h 09mTrayodashiWaning (krishna)8% · waning crescentHasta
Sat, Nov 74:50 AM – 5:38 AM6:26 AM4:32 PM10h 06mChaturdashiWaning (krishna)3% · waning crescentChitra
Sun, Nov 8Amavasya (new moon)4:51 AM – 5:39 AM6:27 AM4:31 PM10h 04mAmavasyaWaning (krishna)1% · new moonSvati
Mon, Nov 94:52 AM – 5:40 AM6:28 AM4:30 PM10h 01mPratipadaWaxing (shukla)0% · new moonVishakha
Tue, Nov 104:53 AM – 5:41 AM6:29 AM4:29 PM9h 59mDvitiyaWaxing (shukla)1% · waxing crescentAnuradha
Wed, Nov 114:55 AM – 5:43 AM6:31 AM4:28 PM9h 57mTritiyaWaxing (shukla)5% · waxing crescentJyeshtha
Thu, Nov 124:56 AM – 5:44 AM6:32 AM4:27 PM9h 55mTritiyaWaxing (shukla)9% · waxing crescentMula
Fri, Nov 134:57 AM – 5:45 AM6:33 AM4:26 PM9h 52mChaturthiWaxing (shukla)15% · waxing crescentMula
Sat, Nov 144:59 AM – 5:47 AM6:35 AM4:25 PM9h 50mPanchamiWaxing (shukla)23% · waxing crescentPurva Ashadha
Sun, Nov 155:00 AM – 5:48 AM6:36 AM4:24 PM9h 48mShashthiWaxing (shukla)31% · waxing crescentUttara Ashadha

How far the window moves across the year here

At Boston's latitude of 42.4°, the June solstice brings sunrise at roughly 5:08 AM with about 15h 17m of daylight, while the December solstice brings sunrise at roughly 7:11 AM with about 9h 04m. Both figures are computed for this location, not averaged from anywhere else. If the pre-dawn window is out of reach in one half of the year, the tradition's own priority applies: Patanjali's guidance (Yoga Sutras 1.14) is that practice takes hold through long, uninterrupted, earnest attention — consistency first, ideal hour second.

In practice, most people who keep an early routine here do not chase the brahma muhurta window exactly on the days when it falls hardest against their sleep or their working hours. A workable pattern is to pick a fixed clock time that lands inside the window for most of the year, adjust it by a season if the drift becomes extreme, and treat the days it falls slightly outside the ideal 96-to-48-minute band as still worthwhile rather than wasted — the texts describe brahma muhurta as favorable, not as the only valid hour. Seated meditation, pranayama and a short asana warm-up all transfer reasonably well between a strict pre-dawn slot and a slightly later one; what tends to break a habit is not timing drift but skipping the day entirely because the ideal moment has already passed.

Practice timing in Boston

+ What time is brahma muhurta in Boston today?
Working back from a computed sunrise of 6:24 AM, the window runs from about 4:48 AM to 5:36 AM local time — 96 to 48 minutes before sunrise. It moves every day with the Sun, so check the table rather than fixing it in your head.
+ Which lunar day is it in Boston today?
At local sunrise it is Trayodashi, in the waning (krishna) fortnight, with the Moon about 8% illuminated in Hasta. Tithis run between roughly 19 and 26 hours, so a single date can straddle two; the label here is the one in force at sunrise, which is the usual convention.
+ How much does sunrise move across the year in Boston?
At this latitude, the June solstice sunrise falls around 5:08 AM with about 15h 17m of daylight, and the December solstice sunrise around 7:11 AM with about 9h 04m. That spread is exactly why a sunrise-anchored routine and a clock-anchored one diverge.
+ Are these times exact?
Sunrise and sunset are computed for a sea-level horizon and should be within a minute or two of an observatory table; hills, buildings and altitude shift what you actually see. Tithi and nakshatra use truncated lunar series, so near a boundary a full panchanga may label the day differently. Nothing here is intended for ritual muhurta determination.

Method

  • Sunrise, solar noon and sunset: the standard sunrise equation, using the −0.833° altitude convention for the apparent upper limb and refraction at a sea-level horizon.
  • Lunar day and nakshatra: solar and lunar ecliptic longitudes from truncated Meeus series (Jean Meeus, "Astronomical Algorithms"), with tithi as 12° steps of elongation and nakshatra as 13°20′ steps of sidereal longitude under a linear Lahiri-style ayanamsa approximation.
  • Brahma muhurta: the 48-minute muhurta ending one muhurta before sunrise. Conventions vary between teachers; this is the most common arithmetic definition.
  • Not for ritual muhurta determination — for that, use a panchanga computed within your own tradition.

Timing guidance on this page is traditional and practical, not medical. Nothing here is a religious ruling or a substitute for a panchanga from your own lineage.