Ruling · Mahāṣṭamī (Durga Ashtami) · 1927

Tuesday 4 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 547 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 3 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 4 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 21:39 on Mon 3 Oct to 22:12 on Tue 4 Oct.

    1927-10-03T13:38:44Z → 1927-10-04T14:12:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 3rd, 11:43–12:31 on the 4th.

    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 3rd and 48 of 48 on the 4th.

    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 32848 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 1927: Tuesday 4 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 1927 falls on Tuesday 4 October. Aṣṭamī runs from 21:39 on Mon 3 Oct to 22:12 on Tue 4 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1927/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 4 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 4 Oct
compat-drikpanchangComparison profileTue 4 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles05:39 → 06:1211:1848 min11:180 min3 Oct
Chicago07:39 → 08:1211:1648 min11:150 min3 Oct
Jersey City08:39 → 09:1211:2148 min11:210 min3 Oct
Port of Spain09:39 → 10:1211:3148 min11:310 min3 Oct
London13:39 → 14:1211:250 min11:2548 min4 Oct
Durban15:39 → 16:1211:210 min11:2148 min4 Oct
Dubai17:39 → 18:1211:440 min11:4448 min4 Oct
Delhi19:09 → 19:4211:460 min11:4648 min4 Oct
Kolkata19:09 → 19:4211:020 min11:0148 min4 Oct
Singapore20:39 → 21:1211:300 min11:3048 min4 Oct
Sydney23:39 → 00:1211:210 min11:2148 min4 Oct
Suva01:39 → 02:1211:320 min11:3248 min4 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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