Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2005

Tuesday 11 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 91 minutes.

Decide it for

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 Monday 10 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:41  12:29 madhyāhna ends
10:5311:1711:4112:0512:2912:5313:17

0 of 48 minutes covered

Midday of Tuesday 11 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:41  12:29 madhyāhna ends
10:5311:1711:4112:0512:2912:5313:17

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 15:57 on Mon 10 Oct to 13:59 on Tue 11 Oct.

    2005-10-10T07:57:27Z → 2005-10-11T05:59:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 10th, 11:41–12:29 on the 11th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.

    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: paraviddha → only-day · margin 5435 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 2005: Tuesday 11 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 2005 falls on Tuesday 11 October. Aṣṭamī runs from 15:57 on Mon 10 Oct to 13:59 on Tue 11 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2005/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 11 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 11 Oct
compat-drikpanchangComparison profileTue 11 Oct
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/mahashtami · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Śukla · Aṣṭamī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

“S 8 Mahastami (paraviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles00:57 → 22:5912:1648 min12:150 min10 Oct
Chicago02:57 → 00:5912:1348 min12:130 min10 Oct
Jersey City03:57 → 01:5912:1948 min12:190 min10 Oct
Port of Spain03:57 → 01:5911:2948 min11:290 min10 Oct
London08:57 → 06:5912:2348 min12:230 min10 Oct
Durban09:57 → 07:5911:1948 min11:190 min10 Oct
Dubai11:57 → 09:5911:4232 min11:410 min10 Oct
Delhi13:27 → 11:2911:440 min11:440 min11 Oct
Kolkata13:27 → 11:2910:590 min10:5930 min11 Oct
Singapore15:57 → 13:5912:280 min12:2748 min11 Oct
Sydney17:57 → 15:5911:190 min11:1848 min11 Oct
Suva19:57 → 17:5911:300 min11:2948 min11 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mahashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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