Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2055

Tuesday 28 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 95 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 Monday 27 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

0 of 48 minutes covered

Midday of Tuesday 28 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

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 14:26 on Mon 27 Sep to 14:08 on Tue 28 Sep.

    2055-09-27T06:26:30Z → 2055-09-28T06:07:43Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 27th, 11:45–12:33 on the 28th.

    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 27th and 48 of 48 on the 28th.

    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 5702 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 2055: Tuesday 28 September.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 2055 falls on Tuesday 28 September. Aṣṭamī runs from 14:26 on Mon 27 Sep to 14:08 on Tue 28 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2055/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 28 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 28 Sep
compat-drikpanchangComparison profileTue 28 Sep
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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles23:26 → 23:0812:2048 min12:190 min27 Sep
Chicago01:26 → 01:0812:1748 min12:170 min27 Sep
Jersey City02:26 → 02:0812:2348 min12:230 min27 Sep
Port of Spain02:26 → 02:0811:3348 min11:330 min27 Sep
London07:26 → 07:0812:2748 min12:270 min27 Sep
Durban08:26 → 08:0811:2348 min11:230 min27 Sep
Dubai10:26 → 10:0811:4648 min11:450 min27 Sep
Delhi11:56 → 11:3811:4840 min11:480 min27 Sep
Kolkata11:56 → 11:3811:040 min11:0335 min28 Sep
Singapore14:26 → 14:0812:320 min12:3148 min28 Sep
Sydney16:26 → 16:0811:230 min11:2248 min28 Sep
Suva18:26 → 18:0811:340 min11:3348 min28 Sep
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