Ruling · Mahāṣṭamī (Durgāṣṭamī) · 1970

Thursday 8 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 618 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 8 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 Friday 9 October

Aṣṭamī is absent from madhyāhna. Not taken.

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

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 01:23 on Thu 8 Oct to 23:55 on Thu 8 Oct.

    1970-10-07T17:23:14Z → 1970-10-08T15:55:17Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 8th, 11:41–12:29 on the 9th.

    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 8th and 0 of 48 on the 9th.

    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 37102 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 1970: Thursday 8 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 1970 falls on Thursday 8 October. Aṣṭamī runs from 01:23 on Thu 8 Oct to 23:55 on Thu 8 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1970/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 8 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 8 Oct
compat-drikpanchangComparison profileThu 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles10:23 → 08:5512:1748 min12:160 min7 Oct
Chicago12:23 → 10:5512:1439 min12:140 min7 Oct
Jersey City13:23 → 11:5512:200 min12:200 min8 Oct
Port of Spain13:23 → 11:5511:300 min11:3026 min8 Oct
London18:23 → 16:5512:240 min12:2448 min8 Oct
Durban19:23 → 17:5511:200 min11:2048 min8 Oct
Dubai21:23 → 19:5511:430 min11:4248 min8 Oct
Delhi22:53 → 21:2511:450 min11:4548 min8 Oct
Kolkata22:53 → 21:2511:000 min11:0048 min8 Oct
Singapore00:53 → 23:2511:590 min11:5848 min8 Oct
Sydney03:23 → 01:5511:200 min11:1948 min8 Oct
Suva05:23 → 03:5511:310 min11:3048 min8 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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