Ruling · Mahāṣṭamī (Durgāṣṭamī) · 1977

Wednesday 19 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 115 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 Wednesday 19 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

Midday of Thursday 20 October

Aṣṭamī is absent from madhyāhna. Not taken.

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

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 09:44 on Wed 19 Oct to 07:53 on Thu 20 Oct.

    1977-10-19T01:44:14Z → 1977-10-19T23:53:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 19th, 11:39–12:27 on the 20th.

    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 19th and 0 of 48 on the 20th.

    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 6883 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 1977: Wednesday 19 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 1977 falls on Wednesday 19 October. Aṣṭamī runs from 09:44 on Wed 19 Oct to 07:53 on Thu 20 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1977/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 19 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 19 Oct
compat-drikpanchangComparison profileWed 19 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles18:44 → 16:5312:1448 min12:140 min19 Oct
Chicago20:44 → 18:5312:1148 min12:110 min19 Oct
Jersey City21:44 → 19:5312:1748 min12:170 min19 Oct
Port of Spain21:44 → 19:5311:2748 min11:270 min19 Oct
London02:44 → 00:5312:2148 min12:210 min19 Oct
Durban03:44 → 01:5311:1748 min11:170 min19 Oct
Dubai05:44 → 03:5311:4048 min11:390 min19 Oct
Delhi07:14 → 05:2311:4248 min11:420 min19 Oct
Kolkata07:14 → 05:2310:5748 min10:570 min19 Oct
Singapore09:14 → 07:2311:5648 min11:550 min19 Oct
Sydney11:44 → 09:5311:1720 min11:160 min19 Oct
Suva13:44 → 11:5311:280 min11:2726 min20 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