Ruling · Mitra Saptamī · 1987

Friday 27 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 545 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 Thursday 26 November

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:41  12:29 madhyāhna ends
10:5311:1711:4112:0512:2912:5313:17

0 of 48 minutes covered

Midday of Friday 27 November

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:41  12:29 madhyāhna ends
10:5311:1711:4112:0512:2912:5313:17

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 23:42 on Thu 26 Nov to 21:34 on Fri 27 Nov.

    1987-11-26T15:42:16Z → 1987-11-27T13:34:22Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 26th, 11:41–12:29 on the 27th.

    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 26th and 48 of 48 on the 27th.

    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 32698 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1987: Friday 27 November.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1987 falls on Friday 27 November. Saptamī runs from 23:42 on Thu 26 Nov to 21:34 on Fri 27 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1987/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 27 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 27 Nov
compat-drikpanchangComparison profileFri 27 Nov
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/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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles07:42 → 05:3411:1648 min11:160 min26 Nov
Chicago09:42 → 07:3411:1448 min11:140 min26 Nov
Jersey City10:42 → 08:3411:1948 min11:200 min26 Nov
Port of Spain11:42 → 09:3411:2935 min11:300 min26 Nov
London15:42 → 13:3411:230 min11:2448 min27 Nov
Durban17:42 → 15:3411:190 min11:1948 min27 Nov
Dubai19:42 → 17:3411:420 min11:4248 min27 Nov
Delhi21:12 → 19:0411:440 min11:4448 min27 Nov
Kolkata21:12 → 19:0411:000 min11:0048 min27 Nov
Singapore23:42 → 21:3412:280 min12:2848 min27 Nov
Sydney02:42 → 00:3412:180 min12:1948 min27 Nov
Suva03:42 → 01:3411:290 min11:3048 min27 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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