Ruling · Yama Dvitīyā (Bhai Dooj) · 1998

Thursday 22 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 494 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 Wednesday 21 October

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 Thursday 22 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 20:41 on Wed 21 Oct to 23:10 on Thu 22 Oct.

    1998-10-21T12:41:01Z → 1998-10-22T15:10:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 21st, 11:38–12:26 on the 22nd.

    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 21st and 48 of 48 on the 22nd.

    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 29665 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 1998: Thursday 22 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 1998 falls on Thursday 22 October. Dvitīyā runs from 20:41 on Wed 21 Oct to 23:10 on Thu 22 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1998/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 22 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 22 Oct
compat-drikpanchangComparison profileThu 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles05:41 → 08:1012:1348 min12:130 min21 Oct
Chicago07:41 → 10:1012:1148 min12:110 min21 Oct
Jersey City08:41 → 11:1012:1748 min12:170 min21 Oct
Port of Spain08:41 → 11:1011:2748 min11:260 min21 Oct
London13:41 → 16:1012:210 min12:2148 min22 Oct
Durban14:41 → 17:1011:170 min11:1748 min22 Oct
Dubai16:41 → 19:1011:390 min11:3948 min22 Oct
Delhi18:11 → 20:4011:420 min11:4148 min22 Oct
Kolkata18:11 → 20:4010:570 min10:5748 min22 Oct
Singapore20:41 → 23:1012:250 min12:2548 min22 Oct
Sydney22:41 → 01:1011:160 min11:1648 min22 Oct
Suva00:41 → 03:1011:270 min11:2748 min22 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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