Ruling · Yama Dvitīyā (Bhai Dooj) · 2077

Wednesday 17 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 477 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

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

Midday of Wednesday 17 November

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

48 of 48 minutes covered

Midday of Thursday 18 November

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

0 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 02:35 on Wed 17 Nov to 03:42 on Thu 18 Nov.

    2077-11-16T18:34:31Z → 2077-11-17T19:42:22Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:39–12:27 on the 18th.

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

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.

    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 28618 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2077: Wednesday 17 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2077 falls on Wednesday 17 November. Dvitīyā runs from 02:35 on Wed 17 Nov to 03:42 on Thu 18 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2077/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 17 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 17 Nov
compat-drikpanchangComparison profileWed 17 Nov
No institution has a recorded ruling for Baoding.

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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles10:35 → 11:4211:1448 min11:1428 min16 Nov
Chicago12:35 → 13:4211:110 min11:1248 min17 Nov
Jersey City13:35 → 14:4211:170 min11:1748 min17 Nov
Port of Spain14:35 → 15:4211:270 min11:2748 min17 Nov
London18:35 → 19:4211:210 min11:2148 min17 Nov
Durban20:35 → 21:4211:170 min11:1748 min17 Nov
Dubai22:35 → 23:4211:400 min11:4048 min17 Nov
Delhi00:05 → 01:1211:420 min11:4248 min17 Nov
Kolkata00:05 → 01:1210:570 min10:5848 min17 Nov
Singapore02:35 → 03:4212:260 min12:2648 min17 Nov
Sydney05:35 → 06:4212:160 min12:1748 min17 Nov
Suva06:35 → 07:4211:270 min11:2848 min17 Nov
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

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