Ruling · Akṣaya Navamī (Amla Navami) · 2040

Tuesday 13 November

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 0 min 10 s away. Say “contested”.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two forenoons

One ghaṭī is 24 minutes. Pūrvāhṇa is first 5 of 15 day muhūrtas.

Forenoon of Monday 12 November

Navamī is absent from pūrvāhṇa. Not taken.

06:58 sunrisepūrvāhṇa ends 10:21
Navamī begins 10:20:53
06:3407:2208:1008:5809:4610:34

0 of 203 minutes covered

Forenoon of Tuesday 13 November

Taken. The only forenoon Navamī reaches.

06:59 sunrisepūrvāhṇa ends 10:21
Navamī ends 08:24:05
06:3507:2308:1108:5909:4710:35

85 of 202 minutes covered, the first 85

Navamī presentPūrvāhṇa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Navamī runs from 10:21 on Mon 12 Nov to 08:24 on Tue 13 Nov.

    2040-11-12T02:20:53Z → 2040-11-13T00:24:05Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:58–10:21 on the 12th, 06:59–10:21 on the 13th.

    purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Navamī must be present during pūrvāhṇa. It covers 0 of 203 minutes on the 12th and 85 of 202 on the 13th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one forenoon qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 10 s < 300 s

  5. 05

    Ruling

    Akṣaya Navamī, Baoding, 2040: Tuesday 13 November.

    confidence: boundary (margin)

Say it like this

In Baoding, Akṣaya Navamī (Amla Navami) 2040 falls on Tuesday 13 November. Navamī runs from 10:21 on Mon 12 Nov to 08:24 on Tue 13 Nov and covers 85 of 202 minutes of pūrvāhṇa that forenoon. It is 0 min 10 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2040/akshaya-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 13 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 13 Nov
compat-drikpanchangComparison profileTue 13 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/akshaya-navami · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Navamī
Kāla
Pūrvāhṇa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceNavamīSunrise 12thCoveredSunrise 13thCoveredRuled
Los Angeles18:21 → 16:2406:24209 min06:250 min12 Nov
Chicago20:21 → 18:2406:38198 min06:390 min12 Nov
Jersey City21:21 → 19:2406:41200 min06:420 min12 Nov
Port of Spain22:21 → 20:2406:01233 min06:010 min12 Nov
London02:21 → 00:2407:15180 min07:160 min12 Nov
Durban04:21 → 02:2404:54271 min04:530 min12 Nov
Dubai06:21 → 04:2406:34219 min06:350 min12 Nov
Delhi07:51 → 05:5406:42146 min06:430 min12 Nov
Kolkata07:51 → 05:5405:4899 min05:486 min12 Nov
Singapore10:21 → 08:2406:4727 min06:4797 min13 Nov
Sydney13:21 → 11:2405:460 min05:45276 min13 Nov
Suva14:21 → 12:2405:230 min05:23259 min13 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
akshaya-navami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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