Ruling · Akṣaya Navamī (Amla Navami) · 1922

Sunday 29 October

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 Saturday 28 October

Qualifies with 8 of 215 minutes. Not taken.

06:40 sunrisepūrvāhṇa ends 10:15
Navamī begins 10:07:02
06:1607:0407:5208:4009:2810:16

8 of 215 minutes covered, the last 8

Forenoon of Sunday 29 October

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

06:41 sunrisepūrvāhṇa ends 10:15
06:1707:0507:5308:4109:2910:17

214 of 214 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 10:07 on Sat 28 Oct to 11:59 on Sun 29 Oct.

    1922-10-28T02:07:02Z → 1922-10-29T03:58:33Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:40–10:15 on the 28th, 06:41–10:15 on the 29th.

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

  3. 03

    Rule

    Navamī must be present during pūrvāhṇa. It covers 8 of 215 minutes on the 28th and 214 of 214 on the 29th.

    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 452 s

  5. 05

    Ruling

    Akṣaya Navamī, Baoding, 1922: Sunday 29 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Akṣaya Navamī (Amla Navami) 1922 falls on Sunday 29 October. Navamī runs from 10:07 on Sat 28 Oct to 11:59 on Sun 29 Oct and covers all of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 8 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/1922/akshaya-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 29 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 29 Oct
compat-drikpanchangComparison profileSun 29 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/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 28thCoveredSunrise 29thCoveredRuled
Los Angeles18:07 → 19:5906:09219 min06:100 min28 Oct
Chicago20:07 → 21:5906:18211 min06:190 min28 Oct
Jersey City21:07 → 22:5906:22212 min06:230 min28 Oct
Port of Spain22:07 → 23:5905:57236 min05:570 min28 Oct
London02:07 → 03:5906:46199 min06:480 min28 Oct
Durban04:07 → 05:5905:06263 min05:0553 min28 Oct
Dubai06:07 → 07:5906:24226 min06:2494 min28 Oct
Delhi07:37 → 09:2906:30156 min06:31178 min29 Oct
Kolkata07:37 → 09:2905:39109 min05:39227 min29 Oct
Singapore09:07 → 10:5905:4741 min05:46241 min29 Oct
Sydney12:07 → 13:5905:000 min04:59267 min29 Oct
Suva14:07 → 15:5905:300 min05:29254 min29 Oct
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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