Ruling · Durgā Navamī · 1977

Saturday 19 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 277 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

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

Midday of Friday 18 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

0 of 48 minutes covered

Midday of Saturday 19 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

48 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 17:26 on Fri 18 Nov to 17:04 on Sat 19 Nov.

    1977-11-18T09:26:13Z → 1977-11-19T09:04:07Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 18th, 11:39–12:27 on the 19th.

    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 18th and 48 of 48 on the 19th.

    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 16607 s

  5. 05

    Ruling

    Durgā Navamī, Baoding, 1977: Saturday 19 November.

    confidence: determinate

Say it like this

In Baoding, Durgā Navamī 1977 falls on Saturday 19 November. Navamī runs from 17:26 on Fri 18 Nov to 17:04 on Sat 19 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1977/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 19 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 19 Nov
compat-drikpanchangComparison profileSat 19 Nov
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/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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles01:26 → 01:0411:1448 min11:140 min18 Nov
Chicago03:26 → 03:0411:1248 min11:120 min18 Nov
Jersey City04:26 → 04:0411:1748 min11:180 min18 Nov
Port of Spain05:26 → 05:0411:2748 min11:280 min18 Nov
London09:26 → 09:0411:2148 min11:220 min18 Nov
Durban11:26 → 11:0411:1739 min11:170 min18 Nov
Dubai13:26 → 13:0411:400 min11:4048 min19 Nov
Delhi14:56 → 14:3411:420 min11:4248 min19 Nov
Kolkata14:56 → 14:3410:580 min10:5848 min19 Nov
Singapore16:56 → 16:3411:560 min11:5648 min19 Nov
Sydney20:26 → 20:0412:170 min12:1748 min19 Nov
Suva21:26 → 21:0411:280 min11:2848 min19 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

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