Ruling · Akṣaya Navamī (Amla Navami) · 1998

Thursday 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 Thursday 29 October

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

06:42 sunrisepūrvāhṇa ends 10:15
Navamī begins 07:42:21
06:1807:0607:5408:4209:3010:18

153 of 213 minutes covered, the last 153

Forenoon of Friday 30 October

Qualifies with 17 of 213 minutes. Not taken.

06:43 sunrisepūrvāhṇa ends 10:15
Navamī ends 06:59:51
06:1907:0707:5508:4309:3110:19

17 of 213 minutes covered, the first 17

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 07:42 on Thu 29 Oct to 07:00 on Fri 30 Oct.

    1998-10-28T23:42:22Z → 1998-10-29T22:59:52Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:42–10:15 on the 29th, 06:43–10:15 on the 30th.

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

  3. 03

    Rule

    Navamī must be present during pūrvāhṇa. It covers 153 of 213 minutes on the 29th and 17 of 213 on the 30th.

    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 1028 s

  5. 05

    Ruling

    Akṣaya Navamī, Baoding, 1998: Thursday 29 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Akṣaya Navamī (Amla Navami) 1998 falls on Thursday 29 October. Navamī runs from 07:42 on Thu 29 Oct to 07:00 on Fri 30 Oct and covers 153 of 213 minutes of pūrvāhṇa that forenoon. It also reaches the next forenoon for 17 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/1998/akshaya-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 29 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 29 Oct
compat-drikpanchangComparison profileThu 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 Angeles15:42 → 15:0006:090 min06:10218 min29 Oct
Chicago17:42 → 17:0006:180 min06:20210 min29 Oct
Jersey City18:42 → 18:0006:220 min06:23211 min29 Oct
Port of Spain19:42 → 19:0005:570 min05:57235 min29 Oct
London23:42 → 23:0006:470 min06:49197 min29 Oct
Durban01:42 → 01:0005:060 min05:05264 min29 Oct
Dubai03:42 → 03:0006:240 min06:24225 min29 Oct
Delhi05:12 → 04:3006:300 min06:31223 min29 Oct
Kolkata05:12 → 04:3005:390 min05:39227 min29 Oct
Singapore07:42 → 07:0006:460 min06:46185 min29 Oct
Sydney10:42 → 10:0006:000 min05:590 min30 Oct
Suva11:42 → 11:0005:300 min05:290 min30 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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