Ruling · Mitra Saptamī · 2003

Sunday 30 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 85 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 29 November

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:04  11:52 madhyāhna ends
10:1610:4011:0411:2811:5212:1612:40

0 of 48 minutes covered

Midday of Sunday 30 November

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:04  11:52 madhyāhna ends
10:1610:4011:0411:2811:5212:1612:40

48 of 48 minutes covered

Saptamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 13:57 on Sat 29 Nov to 13:17 on Sun 30 Nov.

    2003-11-29T05:56:41Z → 2003-11-30T05:17:21Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 29th, 11:04–11:52 on the 30th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 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: purvaviddha → only-day · margin 5106 s

  5. 05

    Ruling

    Mitra Saptamī, Daqing, 2003: Sunday 30 November.

    confidence: determinate

Say it like this

In Daqing, Mitra Saptamī 2003 falls on Sunday 30 November. Saptamī runs from 13:57 on Sat 29 Nov to 13:17 on Sun 30 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2003/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 30 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 30 Nov
compat-drikpanchangComparison profileSun 30 Nov
No institution has a recorded ruling for Daqing.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/mitra-saptami · ruleset 2026.3-draft

Month
Mārgaśīrṣa, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 7 Mitra saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles21:57 → 21:1711:1748 min11:180 min29 Nov
Chicago23:57 → 23:1711:1548 min11:150 min29 Nov
Jersey City00:57 → 00:1711:2048 min11:210 min29 Nov
Port of Spain01:57 → 01:1711:3048 min11:310 min29 Nov
London05:57 → 05:1711:2448 min11:250 min29 Nov
Durban07:57 → 07:1711:2048 min11:210 min29 Nov
Dubai09:57 → 09:1711:4348 min11:430 min29 Nov
Delhi11:27 → 10:4711:4548 min11:450 min29 Nov
Kolkata11:27 → 10:4711:0122 min11:010 min29 Nov
Singapore13:57 → 13:1712:290 min12:2948 min30 Nov
Sydney16:57 → 16:1712:190 min12:2048 min30 Nov
Suva17:57 → 17:1711:300 min11:3148 min30 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mitra-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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