Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2086

Wednesday 16 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 94 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 Tuesday 15 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

0 of 48 minutes covered

Midday of Wednesday 16 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

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 14:26 on Tue 15 Oct to 14:02 on Wed 16 Oct.

    2086-10-15T06:26:26Z → 2086-10-16T06:01:45Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 15th, 11:40–12:28 on the 16th.

    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 15th and 48 of 48 on the 16th.

    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 5645 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 2086: Wednesday 16 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 2086 falls on Wednesday 16 October. Aṣṭamī runs from 14:26 on Tue 15 Oct to 14:02 on Wed 16 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2086/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 16 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 16 Oct
compat-drikpanchangComparison profileWed 16 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles23:26 → 23:0212:1548 min12:140 min15 Oct
Chicago01:26 → 01:0212:1248 min12:120 min15 Oct
Jersey City02:26 → 02:0212:1848 min12:180 min15 Oct
Port of Spain02:26 → 02:0211:2848 min11:280 min15 Oct
London07:26 → 07:0212:2248 min12:220 min15 Oct
Durban08:26 → 08:0211:1848 min11:180 min15 Oct
Dubai10:26 → 10:0211:4148 min11:400 min15 Oct
Delhi11:56 → 11:3211:4334 min11:430 min15 Oct
Kolkata11:56 → 11:3210:580 min10:5834 min16 Oct
Singapore14:26 → 14:0212:270 min12:2648 min16 Oct
Sydney17:26 → 17:0212:170 min12:1748 min16 Oct
Suva18:26 → 18:0211:280 min11:2848 min16 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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