Ruling · Akṣaya Navamī (Amla Navami) · 1964

Saturday 14 November

Boundaryin Daqing, under the Rashtriya Panchang method. Both forenoons qualify and the rule does not say which to take. Say “contested”.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two forenoons

One ghaṭī is 24 minutes. Pūrvāhṇa is first 5 of 15 day muhūrtas.

Forenoon of Friday 13 November

Qualifies with 44 of 190 minutes. Not taken.

06:39 sunrisepūrvāhṇa ends 09:49
Navamī begins 09:04:52
06:1507:0307:5108:3909:2710:15

44 of 190 minutes covered, the last 44

Forenoon of Saturday 14 November

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

06:41 sunrisepūrvāhṇa ends 09:50
Navamī ends 09:59:48
06:1707:0507:5308:4109:2910:17

189 of 189 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 09:05 on Fri 13 Nov to 10:00 on Sat 14 Nov.

    1964-11-13T01:04:53Z → 1964-11-14T01:59:49Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:39–09:49 on the 13th, 06:41–09:50 on the 14th.

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

  3. 03

    Rule

    Navamī must be present during pūrvāhṇa. It covers 44 of 190 minutes on the 13th and 189 of 189 on the 14th.

    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 611 s

  5. 05

    Ruling

    Akṣaya Navamī, Daqing, 1964: Saturday 14 November.

    confidence: boundary (tie-break-unstated)

Say it like this

In Daqing, Akṣaya Navamī (Amla Navami) 1964 falls on Saturday 14 November. Navamī runs from 09:05 on Fri 13 Nov to 10:00 on Sat 14 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 44 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/daqing/festivals/1964/akshaya-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 14 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 14 Nov
compat-drikpanchangComparison profileSat 14 Nov
No institution has a recorded ruling for Daqing.

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 13thCoveredSunrise 14thCoveredRuled
Los Angeles17:05 → 18:0006:24209 min06:250 min13 Nov
Chicago19:05 → 20:0006:38198 min06:390 min13 Nov
Jersey City20:05 → 21:0006:41199 min06:430 min13 Nov
Port of Spain21:05 → 22:0006:01233 min06:010 min13 Nov
London01:05 → 02:0007:16179 min07:170 min13 Nov
Durban03:05 → 04:0004:53271 min04:530 min13 Nov
Dubai05:05 → 06:0006:34219 min06:350 min13 Nov
Delhi06:35 → 07:3006:42215 min06:4347 min13 Nov
Kolkata06:35 → 07:3005:48175 min05:49101 min13 Nov
Singapore08:35 → 09:3006:17103 min06:17192 min14 Nov
Sydney11:05 → 12:0004:450 min04:45277 min14 Nov
Suva13:05 → 14:0005:230 min05:23259 min14 Nov
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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