Ruling · Akṣaya Navamī (Amla Navami) · 2090

Tuesday 31 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 221 minutes.

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 Tuesday 31 October

Taken. The only forenoon Navamī reaches.

06:45 sunrisepūrvāhṇa ends 10:16
06:2107:0907:5708:4509:3310:21

211 of 211 minutes covered

Forenoon of Wednesday 1 November

Navamī is absent from pūrvāhṇa. Not taken.

06:46 sunrisepūrvāhṇa ends 10:16
06:2207:1007:5808:4609:3410:22

0 of 211 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 00:57 on Tue 31 Oct to 03:05 on Wed 1 Nov.

    2090-10-30T16:56:56Z → 2090-10-31T19:05:02Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:45–10:16 on the 31st, 06:46–10:16 on the 1st.

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

  3. 03

    Rule

    Navamī must be present during pūrvāhṇa. It covers 211 of 211 minutes on the 31st and 0 of 211 on the 1st.

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

  4. 04

    Tie-break

    Only one forenoon qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 13250 s

  5. 05

    Ruling

    Akṣaya Navamī, Baoding, 2090: Tuesday 31 October.

    confidence: determinate

Say it like this

In Baoding, Akṣaya Navamī (Amla Navami) 2090 falls on Tuesday 31 October. Navamī runs from 00:57 on Tue 31 Oct to 03:05 on Wed 1 Nov and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/2090/akshaya-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 31 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 31 Oct
compat-drikpanchangComparison profileTue 31 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 30thCoveredSunrise 31stCoveredRuled
Los Angeles09:57 → 12:0507:1251 min07:13216 min31 Oct
Chicago11:57 → 14:0507:220 min07:23207 min31 Oct
Jersey City12:57 → 15:0507:260 min07:27209 min31 Oct
Port of Spain12:57 → 15:0505:570 min05:58235 min31 Oct
London16:57 → 19:0506:520 min06:54194 min31 Oct
Durban18:57 → 21:0505:030 min05:03265 min31 Oct
Dubai20:57 → 23:0506:260 min06:26224 min31 Oct
Delhi22:27 → 00:3506:320 min06:33221 min31 Oct
Kolkata22:27 → 00:3505:410 min05:41226 min31 Oct
Singapore00:57 → 03:0506:470 min06:47241 min31 Oct
Sydney03:57 → 06:0505:570 min05:56269 min31 Oct
Suva04:57 → 07:0505:280 min05:28255 min31 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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