Ruling · Akṣaya Navamī (Amla Navami) · 1987

Saturday 31 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 15 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 Friday 30 October

Navamī is absent from pūrvāhṇa. Not taken.

06:42 sunrisepūrvāhṇa ends 10:15
06:1807:0607:5408:4209:3010:18

0 of 213 minutes covered

Forenoon of Saturday 31 October

Taken. The only forenoon Navamī reaches.

06:43 sunrisepūrvāhṇa ends 10:16
Navamī ends 10:00:47
06:1907:0707:5508:4309:3110:19

197 of 212 minutes covered, the first 197

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 12:06 on Fri 30 Oct to 10:01 on Sat 31 Oct.

    1987-10-30T04:06:26Z → 1987-10-31T02:00:47Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:42–10:15 on the 30th, 06:43–10:16 on the 31st.

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

  3. 03

    Rule

    Navamī must be present during pūrvāhṇa. It covers 0 of 213 minutes on the 30th and 197 of 212 on the 31st.

    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 885 s

  5. 05

    Ruling

    Akṣaya Navamī, Baoding, 1987: Saturday 31 October.

    confidence: determinate

Say it like this

In Baoding, Akṣaya Navamī (Amla Navami) 1987 falls on Saturday 31 October. Navamī runs from 12:06 on Fri 30 Oct to 10:01 on Sat 31 Oct and covers 197 of 212 minutes of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1987/akshaya-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 31 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 31 Oct
compat-drikpanchangComparison profileSat 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 Angeles20:06 → 18:0106:11217 min06:120 min30 Oct
Chicago22:06 → 20:0106:20209 min06:220 min30 Oct
Jersey City23:06 → 21:0106:24210 min06:250 min30 Oct
Port of Spain00:06 → 22:0105:57235 min05:570 min30 Oct
London04:06 → 02:0106:50196 min06:520 min30 Oct
Durban06:06 → 04:0105:04201 min05:030 min30 Oct
Dubai08:06 → 06:0106:25123 min06:250 min30 Oct
Delhi09:36 → 07:3106:3137 min06:3259 min31 Oct
Kolkata09:36 → 07:3105:400 min05:40111 min31 Oct
Singapore12:06 → 10:0106:460 min06:46194 min31 Oct
Sydney15:06 → 13:0105:580 min05:57268 min31 Oct
Suva16:06 → 14:0105:290 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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