Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2020

Friday 23 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 129 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 Friday 23 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

48 of 48 minutes covered

Midday of Saturday 24 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

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 09:27 on Fri 23 Oct to 09:29 on Sat 24 Oct.

    2020-10-23T01:27:24Z → 2020-10-24T01:29:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 23rd, 11:38–12:26 on the 24th.

    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 23rd and 0 of 48 on the 24th.

    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 7725 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 2020: Friday 23 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 2020 falls on Friday 23 October. Aṣṭamī runs from 09:27 on Fri 23 Oct to 09:29 on Sat 24 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2020/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 23 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 23 Oct
compat-drikpanchangComparison profileFri 23 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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles18:27 → 18:2912:1348 min12:130 min23 Oct
Chicago20:27 → 20:2912:1148 min12:100 min23 Oct
Jersey City21:27 → 21:2912:1648 min12:160 min23 Oct
Port of Spain21:27 → 21:2911:2648 min11:260 min23 Oct
London02:27 → 02:2912:2048 min12:200 min23 Oct
Durban03:27 → 03:2911:1648 min11:160 min23 Oct
Dubai05:27 → 05:2911:3948 min11:390 min23 Oct
Delhi06:57 → 06:5911:4148 min11:410 min23 Oct
Kolkata06:57 → 06:5910:5748 min10:570 min23 Oct
Singapore09:27 → 09:2912:2548 min12:250 min23 Oct
Sydney12:27 → 12:2912:1636 min12:1614 min24 Oct
Suva13:27 → 13:2911:270 min11:2748 min24 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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