Ruling · Akṣaya Navamī (Amla Navami) · 1902

Monday 10 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 Sunday 9 November

Qualifies with 62 of 206 minutes. Not taken.

06:53 sunrisepūrvāhṇa ends 10:19
Navamī begins 09:16:50
06:2907:1708:0508:5309:4110:29

62 of 206 minutes covered, the last 62

Forenoon of Monday 10 November

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

06:54 sunrisepūrvāhṇa ends 10:19
Navamī ends 10:19:19
06:3007:1808:0608:5409:4210:30

205 of 205 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 09:17 on Sun 9 Nov to 10:19 on Mon 10 Nov.

    1902-11-09T01:16:51Z → 1902-11-10T02:19:19Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:53–10:19 on the 9th, 06:54–10:19 on the 10th.

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

  3. 03

    Rule

    Navamī must be present during pūrvāhṇa. It covers 62 of 206 minutes on the 9th and 205 of 205 on the 10th.

    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 2 s < 300 s

  5. 05

    Ruling

    Akṣaya Navamī, Baoding, 1902: Monday 10 November.

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

Say it like this

In Baoding, Akṣaya Navamī (Amla Navami) 1902 falls on Monday 10 November. Navamī runs from 09:17 on Sun 9 Nov to 10:19 on Mon 10 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 62 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 02 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1902/akshaya-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 10 Nov
Ahargaṇa, classicalDisc centre, no refractionMon 10 Nov
compat-drikpanchangComparison profileMon 10 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 9thCoveredSunrise 10thCoveredRuled
Los Angeles17:17 → 18:1906:20211 min06:210 min9 Nov
Chicago19:17 → 20:1906:32201 min06:330 min9 Nov
Jersey City20:17 → 21:1906:36203 min06:370 min9 Nov
Port of Spain21:17 → 22:1906:00234 min06:000 min9 Nov
London01:17 → 02:1907:07185 min07:090 min9 Nov
Durban02:47 → 03:4904:27269 min04:260 min9 Nov
Dubai04:58 → 06:0006:12221 min06:130 min9 Nov
Delhi06:38 → 07:4006:30209 min06:3070 min9 Nov
Kolkata06:38 → 07:4005:36162 min05:37124 min9 Nov
Singapore08:12 → 09:1405:4291 min05:42213 min10 Nov
Sydney11:17 → 12:1904:490 min04:48274 min10 Nov
Suva13:12 → 14:1405:190 min05:19257 min10 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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