Ruling · Akṣaya Navamī (Amla Navami) · 1906

Friday 26 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 Thursday 25 October

Qualifies with 61 of 217 minutes. Not taken.

06:37 sunrisepūrvāhṇa ends 10:14
Navamī begins 09:13:06
06:1307:0107:4908:3709:2510:13

61 of 217 minutes covered, the last 61

Forenoon of Friday 26 October

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

06:38 sunrisepūrvāhṇa ends 10:14
Navamī ends 08:23:59
06:1407:0207:5008:3809:2610:14

106 of 216 minutes covered, the first 106

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 09:13 on Thu 25 Oct to 08:24 on Fri 26 Oct.

    1906-10-25T01:13:07Z → 1906-10-26T00:23:59Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:37–10:14 on the 25th, 06:38–10:14 on the 26th.

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

  3. 03

    Rule

    Navamī must be present during pūrvāhṇa. It covers 61 of 217 minutes on the 25th and 106 of 216 on the 26th.

    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 3635 s

  5. 05

    Ruling

    Akṣaya Navamī, Baoding, 1906: Friday 26 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Akṣaya Navamī (Amla Navami) 1906 falls on Friday 26 October. Navamī runs from 09:13 on Thu 25 Oct to 08:24 on Fri 26 Oct and covers 106 of 216 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 61 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/1906/akshaya-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 26 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 26 Oct
compat-drikpanchangComparison profileFri 26 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 25thCoveredSunrise 26thCoveredRuled
Los Angeles17:13 → 16:2406:06221 min06:070 min25 Oct
Chicago19:13 → 18:2406:14214 min06:150 min25 Oct
Jersey City20:13 → 19:2406:18215 min06:190 min25 Oct
Port of Spain21:13 → 20:2405:56236 min05:560 min25 Oct
London01:13 → 00:2406:40203 min06:420 min25 Oct
Durban03:13 → 02:2405:09261 min05:080 min25 Oct
Dubai04:54 → 04:0506:03227 min06:030 min25 Oct
Delhi06:43 → 05:5406:28210 min06:280 min25 Oct
Kolkata06:43 → 05:5405:37163 min05:3816 min25 Oct
Singapore08:13 → 07:2405:4795 min05:4797 min26 Oct
Sydney11:13 → 10:2405:040 min05:03265 min26 Oct
Suva13:08 → 12:1905:270 min05:26253 min26 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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