Ruling · Mahāṣṭamī (Durga Ashtami) · 1929

Friday 11 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 21 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 Thursday 10 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:41  12:29 madhyāhna ends
Aṣṭamī begins 12:50:18
10:5311:1711:4112:0512:2912:5313:17

0 of 48 minutes covered

Midday of Friday 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 12:50 on Thu 10 Oct to 15:19 on Fri 11 Oct.

    1929-10-10T04:50:18Z → 1929-10-11T07:18:49Z

  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 1274 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 1929: Friday 11 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 1929 falls on Friday 11 October. Aṣṭamī runs from 12:50 on Thu 10 Oct to 15:19 on Fri 11 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1929/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 11 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 11 Oct
compat-drikpanchangComparison profileFri 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 Angeles20:50 → 23:1911:1648 min11:160 min10 Oct
Chicago22:50 → 01:1911:1348 min11:130 min10 Oct
Jersey City23:50 → 02:1911:1948 min11:190 min10 Oct
Port of Spain00:50 → 03:1911:2948 min11:290 min10 Oct
London04:50 → 07:1911:2348 min11:230 min10 Oct
Durban06:50 → 09:1911:1948 min11:190 min10 Oct
Dubai08:50 → 11:1911:4248 min11:420 min10 Oct
Delhi10:20 → 12:4911:4448 min11:4448 min11 Oct
Kolkata10:20 → 12:4911:0048 min10:5948 min11 Oct
Singapore11:50 → 14:1911:2826 min11:2848 min11 Oct
Sydney14:50 → 17:1911:190 min11:1848 min11 Oct
Suva16:50 → 19:1911:300 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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