Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2019

Sunday 6 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 9 min 34 s.

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 Saturday 5 October

Qualifies with 10 of 48 minutes. Not taken.

madhyāhna begins 11:42  12:30 madhyāhna ends
Aṣṭamī begins 12:20:52
10:5411:1811:4212:0612:3012:5413:18

10 of 48 minutes covered, the last 10

Midday of Sunday 6 October

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 11:42  12:30 madhyāhna ends
10:5411:1811:4212:0612:3012:5413:18

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 12:21 on Sat 5 Oct to 13:25 on Sun 6 Oct.

    2019-10-05T04:20:53Z → 2019-10-06T05:24:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 5th, 11:42–12:30 on the 6th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 10 of 48 minutes on the 5th and 48 of 48 on the 6th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 574 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 2019: Sunday 6 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 2019 falls on Sunday 6 October. Aṣṭamī runs from 12:21 on Sat 5 Oct to 13:25 on Sun 6 Oct and covers all of madhyāhna that midday. It also reaches the previous midday for 10 minutes; by the rule the second midday is taken.

ahargana.org/baoding/festivals/2019/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 6 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 6 Oct
compat-drikpanchangComparison profileSun 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles21:21 → 22:2512:1748 min12:170 min5 Oct
Chicago23:21 → 00:2512:1548 min12:140 min5 Oct
Jersey City00:21 → 01:2512:2048 min12:200 min5 Oct
Port of Spain00:21 → 01:2511:3048 min11:300 min5 Oct
London05:21 → 06:2512:2548 min12:240 min5 Oct
Durban06:21 → 07:2511:2148 min11:200 min5 Oct
Dubai08:21 → 09:2511:4348 min11:430 min5 Oct
Delhi09:51 → 10:5511:4548 min11:450 min5 Oct
Kolkata09:51 → 10:5511:0148 min11:010 min5 Oct
Singapore12:21 → 13:2512:2948 min12:2948 min6 Oct
Sydney14:21 → 16:2511:200 min12:2048 min6 Oct
Suva16:21 → 17:2511:310 min11:3148 min6 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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