Ruling · Durgā Navamī · 1918

Wednesday 13 November

Determinatein Pyongyang, under the Rashtriya Panchang method. Clear of every threshold by 24 minutes.

Decide it for

PyongyangDelhiKolkataSingaporeSydneyJersey City

39°02′ N 125°45′ E · Asia/Pyongyang · GeoNames 1871859

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Tuesday 12 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
Navamī begins 13:08:25
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Wednesday 13 November

Taken. Navamī reaches neither midday; the rule takes the second day.

madhyāhna begins 11:57  12:45 madhyāhna ends
Navamī ends 11:24:11
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 13:08 on Tue 12 Nov to 11:24 on Wed 13 Nov.

    1918-11-12T04:08:26Z → 1918-11-13T02:24:12Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 12th, 11:57–12:45 on the 13th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 0 of 48 on the 13th.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 1412 s

  5. 05

    Ruling

    Durgā Navamī, Pyongyang, 1918: Wednesday 13 November.

    confidence: determinate

Say it like this

In Pyongyang, Durgā Navamī 1918 falls on Wednesday 13 November. Navamī runs from 13:08 on Tue 12 Nov to 11:24 on Wed 13 Nov, and reaches madhyāhna on neither day.

ahargana.org/pyongyang/festivals/1918/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 13 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 13 Nov
compat-drikpanchangComparison profileTue 12 Nov
No institution has a recorded ruling for Pyongyang.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/durga-navami · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Navamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
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.

PlaceNavamīMadhyāhna 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles20:08 → 18:2411:1348 min11:130 min12 Nov
Chicago22:08 → 20:2411:1148 min11:110 min12 Nov
Jersey City23:08 → 21:2411:1648 min11:160 min12 Nov
Port of Spain00:08 → 22:2411:2648 min11:260 min12 Nov
London04:08 → 02:2411:2048 min11:200 min12 Nov
Durban06:08 → 04:2411:1648 min11:160 min12 Nov
Dubai07:49 → 06:0511:2048 min11:200 min12 Nov
Delhi09:38 → 07:5411:4148 min11:410 min12 Nov
Kolkata09:38 → 07:5410:5748 min10:570 min12 Nov
Singapore11:08 → 09:2411:2548 min11:250 min12 Nov
Sydney14:08 → 12:2411:160 min11:1648 min13 Nov
Suva16:08 → 14:2411:270 min11:2748 min13 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
durga-navami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa