Ruling · Yama Dvitīyā (Bhai Dooj) · 2090

Tuesday 24 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 285 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 Tuesday 24 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 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

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 06:54 on Tue 24 Oct to 03:57 on Wed 25 Oct.

    2090-10-23T22:53:37Z → 2090-10-24T19:57:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 24th, 11:38–12:26 on the 25th.

    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 24th and 0 of 48 on the 25th.

    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 17083 s

  5. 05

    Ruling

    Yama Dvitīyā, Baoding, 2090: Tuesday 24 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dvitīyā (Bhai Dooj) 2090 falls on Tuesday 24 October. Dvitīyā runs from 06:54 on Tue 24 Oct to 03:57 on Wed 25 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2090/yama-dvitiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 24 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 24 Oct
compat-drikpanchangComparison profileTue 24 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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles15:54 → 12:5712:130 min12:1344 min24 Oct
Chicago17:54 → 14:5712:110 min12:1148 min24 Oct
Jersey City18:54 → 15:5712:170 min12:1648 min24 Oct
Port of Spain18:54 → 15:5711:270 min11:2648 min24 Oct
London23:54 → 20:5712:210 min12:2148 min24 Oct
Durban00:54 → 21:5711:170 min11:1748 min24 Oct
Dubai02:54 → 23:5711:390 min11:3948 min24 Oct
Delhi04:24 → 01:2711:410 min11:4148 min24 Oct
Kolkata04:24 → 01:2710:570 min10:5748 min24 Oct
Singapore06:54 → 03:5712:250 min12:2548 min24 Oct
Sydney09:54 → 06:5712:160 min12:1648 min24 Oct
Suva10:54 → 07:5711:270 min11:2748 min24 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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