Ruling · Yama Dvitīyā (Bhrātṛ Dvitīyā) · 2027

Sunday 31 October

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 279 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 30 October

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

0 of 48 minutes covered

Midday of Sunday 31 October

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

48 of 48 minutes covered

Dvitīyā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 17:52 on Sat 30 Oct to 17:14 on Sun 31 Oct.

    2027-10-30T12:22:23Z → 2027-10-31T11:43:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 30th, 11:46–12:34 on the 31st.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 16750 s

  5. 05

    Ruling

    Yama Dvitīyā, Ujjain, 2027: Sunday 31 October.

    confidence: determinate

Say it like this

In Ujjain, Yama Dvitīyā (Bhai Dooj) 2027 falls on Sunday 31 October. Dvitīyā runs from 17:52 on Sat 30 Oct to 17:14 on Sun 31 Oct and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2027/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 31 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 31 Oct
compat-drikpanchangComparison profileSun 31 Oct
No institution has a recorded ruling for Ujjain.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/yama-dvitiya · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Dvitīyā
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvitīyāMadhyāhna 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles05:22 → 04:4412:1248 min12:120 min30 Oct
Chicago07:22 → 06:4412:1048 min12:100 min30 Oct
Jersey City08:22 → 07:4412:1648 min12:160 min30 Oct
Port of Spain08:22 → 07:4411:2648 min11:260 min30 Oct
London13:22 → 11:4412:200 min11:2024 min31 Oct
Durban14:22 → 13:4411:160 min11:1648 min31 Oct
Dubai16:22 → 15:4411:380 min11:3848 min31 Oct
Delhi17:52 → 17:1411:410 min11:4148 min31 Oct
Kolkata17:52 → 17:1410:560 min10:5648 min31 Oct
Singapore20:22 → 19:4412:240 min12:2448 min31 Oct
Sydney23:22 → 22:4412:150 min12:1548 min31 Oct
Suva00:22 → 23:4411:260 min11:2648 min31 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
yama-dvitiya@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s