Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2047

Thursday 26 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 329 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 Thursday 26 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

48 of 48 minutes covered

Midday of Friday 27 September

Aṣṭamī 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

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 06:16 on Thu 26 Sep to 04:50 on Fri 27 Sep.

    2047-09-25T22:16:02Z → 2047-09-26T20:49:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 26th, 11:45–12:33 on the 27th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.

    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 19759 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 2047: Thursday 26 September.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 2047 falls on Thursday 26 September. Aṣṭamī runs from 06:16 on Thu 26 Sep to 04:50 on Fri 27 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2047/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 26 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 26 Sep
compat-drikpanchangComparison profileThu 26 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/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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles15:16 → 13:5012:200 min12:2048 min26 Sep
Chicago17:16 → 15:5012:180 min12:1848 min26 Sep
Jersey City18:16 → 16:5012:240 min12:2348 min26 Sep
Port of Spain18:16 → 16:5011:340 min11:3348 min26 Sep
London23:16 → 21:5012:280 min12:2748 min26 Sep
Durban00:16 → 22:5011:240 min11:2448 min26 Sep
Dubai02:16 → 00:5011:460 min11:4648 min26 Sep
Delhi03:46 → 02:2011:490 min11:4848 min26 Sep
Kolkata03:46 → 02:2011:040 min11:0448 min26 Sep
Singapore06:16 → 04:5012:320 min12:3248 min26 Sep
Sydney08:16 → 06:5011:230 min11:2348 min26 Sep
Suva10:16 → 08:5011:340 min11:3448 min26 Sep
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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