Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2079

Tuesday 3 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 533 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 2 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

0 of 48 minutes covered

Midday of Tuesday 3 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

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 21:24 on Mon 2 Oct to 23:46 on Tue 3 Oct.

    2079-10-02T13:24:01Z → 2079-10-03T15:45:51Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 2nd, 11:43–12:31 on the 3rd.

    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 2nd and 48 of 48 on the 3rd.

    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 31954 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 2079: Tuesday 3 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 2079 falls on Tuesday 3 October. Aṣṭamī runs from 21:24 on Mon 2 Oct to 23:46 on Tue 3 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2079/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 3 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 3 Oct
compat-drikpanchangComparison profileTue 3 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles06:24 → 08:4612:1848 min12:180 min2 Oct
Chicago08:24 → 10:4612:1648 min12:150 min2 Oct
Jersey City09:24 → 11:4612:2148 min12:210 min2 Oct
Port of Spain09:24 → 11:4611:3148 min11:3115 min3 Oct
London14:24 → 16:4612:260 min12:2548 min3 Oct
Durban15:24 → 17:4611:220 min11:2148 min3 Oct
Dubai17:24 → 19:4611:440 min11:4448 min3 Oct
Delhi18:54 → 21:1611:460 min11:4648 min3 Oct
Kolkata18:54 → 21:1611:020 min11:0248 min3 Oct
Singapore21:24 → 23:4612:300 min12:3048 min3 Oct
Sydney00:24 → 02:4612:210 min12:2148 min3 Oct
Suva01:24 → 03:4611:320 min11:3248 min3 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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