Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2063

Saturday 29 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 387 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 Saturday 29 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

48 of 48 minutes covered

Midday of Sunday 30 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

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 04:13 on Sat 29 Sep to 05:17 on Sun 30 Sep.

    2063-09-28T20:13:02Z → 2063-09-29T21:17:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 29th, 11:44–12:32 on the 30th.

    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 29th and 0 of 48 on the 30th.

    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 23196 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 2063: Saturday 29 September.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 2063 falls on Saturday 29 September. Aṣṭamī runs from 04:13 on Sat 29 Sep to 05:17 on Sun 30 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2063/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 29 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 29 Sep
compat-drikpanchangComparison profileSat 29 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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles13:13 → 14:1712:190 min12:1948 min29 Sep
Chicago15:13 → 16:1712:170 min12:1748 min29 Sep
Jersey City16:13 → 17:1712:230 min12:2248 min29 Sep
Port of Spain16:13 → 17:1711:330 min11:3248 min29 Sep
London21:13 → 22:1712:270 min12:2648 min29 Sep
Durban22:13 → 23:1711:230 min11:2348 min29 Sep
Dubai00:13 → 01:1711:450 min11:4548 min29 Sep
Delhi01:43 → 02:4711:480 min11:4748 min29 Sep
Kolkata01:43 → 02:4711:030 min11:0348 min29 Sep
Singapore04:13 → 05:1712:310 min12:3148 min29 Sep
Sydney06:13 → 07:1711:220 min11:2248 min29 Sep
Suva08:13 → 09:1711:330 min11:3348 min29 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

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