Ruling · Yama Dvitīyā (Bhai Dooj) · 1989

Tuesday 31 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 449 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Tuesday 31 October

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

48 of 48 minutes covered

Midday of Wednesday 1 November

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

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 01:53 on Tue 31 Oct to 04:09 on Wed 1 Nov.

    1989-10-30T17:52:44Z → 1989-10-31T20:08:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 31st, 11:38–12:26 on the 1st.

    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 31st and 0 of 48 on the 1st.

    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 26921 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 1989: Tuesday 31 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 1989 falls on Tuesday 31 October. Dvitīyā runs from 01:53 on Tue 31 Oct to 04:09 on Wed 1 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1989/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 31 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 31 Oct
compat-drikpanchangComparison profileTue 31 Oct
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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles09:53 → 12:0911:1248 min11:1248 min30 Oct
Chicago11:53 → 14:0911:105 min11:1048 min30 Oct
Jersey City12:53 → 15:0911:160 min11:1648 min31 Oct
Port of Spain13:53 → 16:0911:260 min11:2648 min31 Oct
London17:53 → 20:0911:200 min11:2048 min31 Oct
Durban19:53 → 22:0911:160 min11:1648 min31 Oct
Dubai21:53 → 00:0911:380 min11:3848 min31 Oct
Delhi23:23 → 01:3911:410 min11:4148 min31 Oct
Kolkata23:23 → 01:3910:560 min10:5648 min31 Oct
Singapore01:53 → 04:0912:240 min12:2448 min31 Oct
Sydney04:53 → 07:0912:150 min12:1548 min31 Oct
Suva05:53 → 08:0911:260 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

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