Ruling · Yama Dvitīyā (Bhai Dooj) · 2088

Monday 15 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 229 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 Sunday 14 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

Midday of Monday 15 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

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 16:15 on Sun 14 Nov to 18:19 on Mon 15 Nov.

    2088-11-14T08:15:27Z → 2088-11-15T10:18:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 14th, 11:39–12:27 on the 15th.

    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 14th and 48 of 48 on the 15th.

    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 13726 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2088: Monday 15 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2088 falls on Monday 15 November. Dvitīyā runs from 16:15 on Sun 14 Nov to 18:19 on Mon 15 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2088/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 15 Nov
Ahargaṇa, classicalDisc centre, no refractionMon 15 Nov
compat-drikpanchangComparison profileMon 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles00:15 → 02:1911:1448 min11:140 min14 Nov
Chicago02:15 → 04:1911:1148 min11:110 min14 Nov
Jersey City03:15 → 05:1911:1748 min11:170 min14 Nov
Port of Spain04:15 → 06:1911:2748 min11:270 min14 Nov
London08:15 → 10:1911:2148 min11:210 min14 Nov
Durban10:15 → 12:1911:1748 min11:1748 min14 Nov
Dubai12:15 → 14:1911:3912 min11:4048 min14 Nov
Delhi13:45 → 15:4911:420 min11:4248 min15 Nov
Kolkata13:45 → 15:4910:570 min10:5748 min15 Nov
Singapore16:15 → 18:1912:250 min12:2648 min15 Nov
Sydney19:15 → 21:1912:160 min12:1648 min15 Nov
Suva20:15 → 22:1911:270 min11:2748 min15 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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