Ruling · Mitra Saptamī · 1925

Sunday 22 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 594 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 Sunday 22 November

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:02  11:50 madhyāhna ends
10:1410:3811:0211:2611:5012:1412:38

48 of 48 minutes covered

Midday of Monday 23 November

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:02  11:50 madhyāhna ends
10:1410:3811:0211:2611:5012:1412:38

0 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 01:08 on Sun 22 Nov to 23:03 on Sun 22 Nov.

    1925-11-21T17:07:53Z → 1925-11-22T15:03:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 22nd, 11:02–11:50 on the 23rd.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.

    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 35636 s

  5. 05

    Ruling

    Mitra Saptamī, Daqing, 1925: Sunday 22 November.

    confidence: determinate

Say it like this

In Daqing, Mitra Saptamī 1925 falls on Sunday 22 November. Saptamī runs from 01:08 on Sun 22 Nov to 23:03 on Sun 22 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1925/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 22 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 22 Nov
compat-drikpanchangComparison profileSun 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles09:08 → 07:0311:1548 min11:150 min21 Nov
Chicago11:08 → 09:0311:1248 min11:130 min21 Nov
Jersey City12:08 → 10:0311:180 min11:180 min22 Nov
Port of Spain13:08 → 11:0311:280 min11:280 min22 Nov
London17:08 → 15:0311:220 min11:2248 min22 Nov
Durban19:08 → 17:0311:180 min11:1848 min22 Nov
Dubai21:08 → 19:0311:400 min11:4148 min22 Nov
Delhi22:38 → 20:3311:430 min11:4348 min22 Nov
Kolkata22:38 → 20:3310:580 min10:5948 min22 Nov
Singapore00:08 → 22:0311:260 min11:2748 min22 Nov
Sydney03:08 → 01:0311:170 min11:1748 min22 Nov
Suva05:08 → 03:0311:280 min11:2848 min22 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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