Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2057

Friday 5 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 87 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 Friday 5 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:42  12:30 madhyāhna ends
10:5411:1811:4212:0612:3012:5413:18

48 of 48 minutes covered

Midday of Saturday 6 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:42  12:30 madhyāhna ends
10:5411:1811:4212:0612:3012:5413:18

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 10:16 on Fri 5 Oct to 08:14 on Sat 6 Oct.

    2057-10-05T02:15:33Z → 2057-10-06T00:13:51Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 5th, 11:42–12:30 on the 6th.

    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 5th and 0 of 48 on the 6th.

    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 5207 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 2057: Friday 5 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 2057 falls on Friday 5 October. Aṣṭamī runs from 10:16 on Fri 5 Oct to 08:14 on Sat 6 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2057/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 5 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 5 Oct
compat-drikpanchangComparison profileFri 5 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles19:16 → 17:1412:1748 min12:170 min5 Oct
Chicago21:16 → 19:1412:1548 min12:140 min5 Oct
Jersey City22:16 → 20:1412:2048 min12:200 min5 Oct
Port of Spain22:16 → 20:1411:3048 min11:300 min5 Oct
London03:16 → 01:1412:2448 min12:240 min5 Oct
Durban04:16 → 02:1411:2148 min11:200 min5 Oct
Dubai06:16 → 04:1411:4348 min11:430 min5 Oct
Delhi07:46 → 05:4411:4548 min11:450 min5 Oct
Kolkata07:46 → 05:4411:0148 min11:010 min5 Oct
Singapore10:16 → 08:1412:2948 min12:290 min5 Oct
Sydney12:16 → 10:1411:200 min11:200 min6 Oct
Suva14:16 → 12:1411:310 min11:3143 min6 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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