Ruling · Mahāṣṭamī (Durgāṣṭamī) · 1975

Sunday 12 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 508 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Saturday 11 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

Midday of Sunday 12 October

Taken. The only midday Aṣṭamī reaches.

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

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 20:57 on Sat 11 Oct to 21:44 on Sun 12 Oct.

    1975-10-11T12:57:19Z → 1975-10-12T13:43:48Z

  2. 02

    Kāla

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

    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 11th and 48 of 48 on the 12th.

    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 30508 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 1975: Sunday 12 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 1975 falls on Sunday 12 October. Aṣṭamī runs from 20:57 on Sat 11 Oct to 21:44 on Sun 12 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1975/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 12 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 12 Oct
compat-drikpanchangComparison profileSun 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles05:57 → 06:4412:1648 min12:150 min11 Oct
Chicago07:57 → 08:4412:1348 min12:130 min11 Oct
Jersey City08:57 → 09:4412:1948 min12:190 min11 Oct
Port of Spain08:57 → 09:4411:2948 min11:290 min11 Oct
London13:57 → 14:4412:230 min12:2348 min12 Oct
Durban14:57 → 15:4411:190 min11:1948 min12 Oct
Dubai16:57 → 17:4411:420 min11:4148 min12 Oct
Delhi18:27 → 19:1411:440 min11:4448 min12 Oct
Kolkata18:27 → 19:1410:590 min10:5948 min12 Oct
Singapore20:27 → 21:1411:580 min11:5748 min12 Oct
Sydney22:57 → 23:4411:180 min11:1848 min12 Oct
Suva00:57 → 01:4411:290 min11:2948 min12 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

About Ahargaṇa