Ruling · Akṣaya Navamī (Amla Navami) · 2012

Thursday 22 November

Boundaryin Baoding, under the Rashtriya Panchang method. Both forenoons qualify and the rule does not say which to take. 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 Wednesday 21 November

Qualifies with 2 of 198 minutes. Not taken.

07:08 sunrisepūrvāhṇa ends 10:25
Navamī begins 10:23:28
06:4407:3208:2009:0809:5610:44

2 of 198 minutes covered, the last 2

Forenoon of Thursday 22 November

Taken. Both forenoons qualify; the rule is silent, and this one is covered longer.

07:09 sunrisepūrvāhṇa ends 10:26
Navamī ends 10:39:58
06:4507:3308:2109:0909:5710:45

197 of 197 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 10:23 on Wed 21 Nov to 10:40 on Thu 22 Nov.

    2012-11-21T02:23:28Z → 2012-11-22T02:39:58Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:08–10:25 on the 21st, 07:09–10:26 on the 22nd.

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

  3. 03

    Rule

    Navamī must be present during pūrvāhṇa. It covers 2 of 198 minutes on the 21st and 197 of 197 on the 22nd.

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

  4. 04

    Tie-break

    Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 98 s < 300 s

  5. 05

    Ruling

    Akṣaya Navamī, Baoding, 2012: Thursday 22 November.

    confidence: boundary (margin, tie-break-unstated)

Say it like this

In Baoding, Akṣaya Navamī (Amla Navami) 2012 falls on Thursday 22 November. Navamī runs from 10:23 on Wed 21 Nov to 10:40 on Thu 22 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 2 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 38 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2012/akshaya-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 22 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 22 Nov
compat-drikpanchangComparison profileThu 22 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 21stCoveredSunrise 22ndCoveredRuled
Los Angeles18:23 → 18:4006:32205 min06:330 min21 Nov
Chicago20:23 → 20:4006:48192 min06:490 min21 Nov
Jersey City21:23 → 21:4006:51194 min06:520 min21 Nov
Port of Spain22:23 → 22:4006:04232 min06:050 min21 Nov
London02:23 → 02:4007:30171 min07:310 min21 Nov
Durban04:23 → 04:4004:50275 min04:490 min21 Nov
Dubai06:23 → 06:4006:40216 min06:410 min21 Nov
Delhi07:53 → 08:1006:49147 min06:5080 min21 Nov
Kolkata07:53 → 08:1005:5399 min05:54136 min22 Nov
Singapore10:23 → 10:4006:4927 min06:49231 min22 Nov
Sydney13:23 → 13:4005:410 min05:40281 min22 Nov
Suva15:23 → 15:4006:210 min06:21261 min22 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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