Ruling · Akṣaya Navamī (Amla Navami) · 1923

Friday 16 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 16 November

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

06:42 sunrisepūrvāhṇa ends 09:50
06:1807:0607:5408:4209:3010:18

188 of 188 minutes covered

Forenoon of Saturday 17 November

Qualifies with 20 of 187 minutes. Not taken.

06:43 sunrisepūrvāhṇa ends 09:51
Navamī ends 07:03:16
06:1907:0707:5508:4309:3110:19

20 of 187 minutes covered, the first 20

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 05:57 on Fri 16 Nov to 07:03 on Sat 17 Nov.

    1923-11-15T21:57:15Z → 1923-11-16T23:03:17Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:42–09:50 on the 16th, 06:43–09:51 on the 17th.

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

  3. 03

    Rule

    Navamī must be present during pūrvāhṇa. It covers 188 of 188 minutes on the 16th and 20 of 187 on the 17th.

    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 1195 s

  5. 05

    Ruling

    Akṣaya Navamī, Daqing, 1923: Friday 16 November.

    confidence: boundary (tie-break-unstated)

Say it like this

In Daqing, Akṣaya Navamī (Amla Navami) 1923 falls on Friday 16 November. Navamī runs from 05:57 on Fri 16 Nov to 07:03 on Sat 17 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the next forenoon for 20 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/1923/akshaya-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 16 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 16 Nov
compat-drikpanchangComparison profileFri 16 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 15thCoveredSunrise 16thCoveredRuled
Los Angeles13:57 → 15:0306:250 min06:26208 min16 Nov
Chicago15:57 → 17:0306:390 min06:41196 min16 Nov
Jersey City16:57 → 18:0306:420 min06:44198 min16 Nov
Port of Spain17:57 → 19:0306:020 min06:02233 min16 Nov
London21:57 → 23:0307:170 min07:19177 min16 Nov
Durban23:57 → 01:0304:530 min04:52272 min16 Nov
Dubai01:57 → 03:0306:350 min06:36218 min16 Nov
Delhi03:27 → 04:3306:430 min06:44214 min16 Nov
Kolkata03:27 → 04:3305:490 min05:49221 min16 Nov
Singapore04:57 → 06:0305:470 min05:48241 min16 Nov
Sydney07:57 → 09:0304:450 min04:4484 min17 Nov
Suva09:57 → 11:0305:230 min05:220 min17 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

About Ahargaṇa