Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2075

Thursday 17 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 255 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 Wednesday 16 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 Thursday 17 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

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 18:44 on Wed 16 Oct to 16:42 on Thu 17 Oct.

    2075-10-16T10:43:48Z → 2075-10-17T08:42:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 16th, 11:39–12:27 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 15303 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 2075: Thursday 17 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 2075 falls on Thursday 17 October. Aṣṭamī runs from 18:44 on Wed 16 Oct to 16:42 on Thu 17 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2075/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 17 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 17 Oct
compat-drikpanchangComparison profileThu 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles03:44 → 01:4212:1448 min12:140 min16 Oct
Chicago05:44 → 03:4212:1248 min12:120 min16 Oct
Jersey City06:44 → 04:4212:1848 min12:170 min16 Oct
Port of Spain06:44 → 04:4211:2848 min11:270 min16 Oct
London11:44 → 09:4212:2248 min12:220 min16 Oct
Durban12:44 → 10:4211:180 min11:180 min17 Oct
Dubai14:44 → 12:4211:400 min11:4048 min17 Oct
Delhi16:14 → 14:1211:430 min11:4248 min17 Oct
Kolkata16:14 → 14:1210:580 min10:5848 min17 Oct
Singapore18:44 → 16:4212:260 min12:2648 min17 Oct
Sydney21:44 → 19:4212:170 min12:1748 min17 Oct
Suva22:44 → 20:4211:280 min11:2848 min17 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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