Ruling · Mahānavamī · 2047

Friday 27 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 415 minutes.

Decide it for

Baoding Delhi Kolkata Singapore Sydney Jersey 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 27 September

Taken. The only midday Navamī reaches.

madhyāhna begins 11:45 12:33 madhyāhna ends

10:5711:2111:4512:0912:3312:5713:21

48 of 48 minutes covered

Midday of Saturday 28 September

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:45 12:33 madhyāhna ends

10:5711:2111:4512:0912:3312:5713:21

0 of 48 minutes covered

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

How it was decided

01
Aṅga
Navamī runs from 04:50 on Fri 27 Sep to 03:55 on Sat 28 Sep.
2047-09-26T20:49:53Z → 2047-09-27T19:55:10Z
02
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 27th, 11:45–12:33 on the 28th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
03
Rule
Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
04
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: purvaviddha → only-day · margin 24908 s
05
Ruling
Mahānavamī, Baoding, 2047: Friday 27 September.
confidence: determinate

Say it like this

In Baoding, Mahānavamī 2047 falls on Friday 27 September. Navamī runs from 04:50 on Fri 27 Sep to 03:55 on Sat 28 Sep and covers all of madhyāhna that midday.
ahargana.org/baoding/festivals/2047/mahanavami · pac-rp@2026.1

Who says what

Authority	Kind	Date
Ahargaṇa, pac-rp	This ruling	Fri 27 Sep
Ahargaṇa, classical	Disc centre, no refraction	Fri 27 Sep
compat-drikpanchang	Comparison profile	Fri 27 Sep
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/mahanavami · ruleset 2026.3-draft

Month: Āśvina, amānta
Pakṣa · aṅga: Śukla · Navamī
Kāla: Madhyāhna
Priority: Pūrvaviddhā
Tie-break: First day
Reference: CRC 1955, p. 104

“S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104. The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

Place	Navamī	Madhyāhna 26th	Madhyāhna 27th	Covered	Ruled
Los Angeles	13:50 → 12:55	12:20	12:20	35 min	27 Sep
Chicago	15:50 → 14:55	12:18	12:17	48 min	27 Sep
Jersey City	16:50 → 15:55	12:23	12:23	48 min	27 Sep
Port of Spain	16:50 → 15:55	11:33	11:33	48 min	27 Sep
London	21:50 → 20:55	12:27	12:27	48 min	27 Sep
Durban	22:50 → 21:55	11:24	11:23	48 min	27 Sep
Dubai	00:50 → 23:55	11:46	11:46	48 min	27 Sep
Delhi	02:20 → 01:25	11:48	11:48	48 min	27 Sep
Kolkata	02:20 → 01:25	11:04	11:04	48 min	27 Sep
Singapore	04:50 → 03:55	12:32	12:32	48 min	27 Sep
Sydney	06:50 → 05:55	11:23	11:23	48 min	27 Sep
Suva	08:50 → 07:55	11:34	11:34	48 min	27 Sep

Profile · tradition: pac-rp@2026.1 · smarta
Rule: mahanavami@2026.3-draft
Engine · kernel: 0.1.0 · de440 7eef…ea74
Boundary margin: 300 s

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