Ruling · Durgā Navamī · 1963

Monday 25 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 442 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

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

The two middays

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

Midday of Monday 25 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:03  11:51 madhyāhna ends
10:1510:3911:0311:2711:5112:1512:39

48 of 48 minutes covered

Midday of Tuesday 26 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:03  11:51 madhyāhna ends
10:1510:3911:0311:2711:5112:1512:39

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 03:40 on Mon 25 Nov to 02:34 on Tue 26 Nov.

    1963-11-24T19:40:22Z → 1963-11-25T18:33:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 25th, 11:03–11:51 on the 26th.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.

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

  4. 04

    Tie-break

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

    priority: purvaviddha → only-day · margin 26531 s

  5. 05

    Ruling

    Durgā Navamī, Daqing, 1963: Monday 25 November.

    confidence: determinate

Say it like this

In Daqing, Durgā Navamī 1963 falls on Monday 25 November. Navamī runs from 03:40 on Mon 25 Nov to 02:34 on Tue 26 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1963/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 25 Nov
Ahargaṇa, classicalDisc centre, no refractionMon 25 Nov
compat-drikpanchangComparison profileMon 25 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/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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles11:40 → 10:3411:1523 min11:160 min24 Nov
Chicago13:40 → 12:3411:130 min11:1348 min25 Nov
Jersey City14:40 → 13:3411:190 min11:1948 min25 Nov
Port of Spain15:40 → 14:3411:290 min11:2948 min25 Nov
London19:40 → 18:3411:230 min11:2348 min25 Nov
Durban21:40 → 20:3411:190 min11:1948 min25 Nov
Dubai23:40 → 22:3411:410 min11:4148 min25 Nov
Delhi01:10 → 00:0411:430 min11:4448 min25 Nov
Kolkata01:10 → 00:0410:590 min10:5948 min25 Nov
Singapore03:10 → 02:0411:570 min11:5748 min25 Nov
Sydney05:40 → 04:3411:180 min11:1848 min25 Nov
Suva07:40 → 06:3411:290 min11:2948 min25 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