Ruling · Yama Dvitīyā (Bhai Dooj) · 1984

Friday 26 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 79 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 Thursday 25 October

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

Midday of Friday 26 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

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 16:45 on Thu 25 Oct to 13:44 on Fri 26 Oct.

    1984-10-25T08:44:57Z → 1984-10-26T05:44:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 25th, 11:38–12:26 on the 26th.

    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 25th and 48 of 48 on the 26th.

    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 4715 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 1984: Friday 26 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 1984 falls on Friday 26 October. Dvitīyā runs from 16:45 on Thu 25 Oct to 13:44 on Fri 26 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1984/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 26 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 26 Oct
compat-drikpanchangComparison profileFri 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles01:45 → 22:4412:1348 min12:130 min25 Oct
Chicago03:45 → 00:4412:1048 min12:100 min25 Oct
Jersey City04:45 → 01:4412:1648 min12:160 min25 Oct
Port of Spain04:45 → 01:4411:2648 min11:260 min25 Oct
London09:45 → 06:4412:2048 min12:200 min25 Oct
Durban10:45 → 07:4411:1648 min11:160 min25 Oct
Dubai12:45 → 09:4411:390 min11:390 min26 Oct
Delhi14:15 → 11:1411:410 min11:410 min26 Oct
Kolkata14:15 → 11:1410:560 min10:5618 min26 Oct
Singapore16:45 → 13:4412:250 min12:2548 min26 Oct
Sydney18:45 → 15:4411:160 min11:1548 min26 Oct
Suva20:45 → 17:4411:270 min11:2648 min26 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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