Ruling · Mitra Saptamī · 1957

Thursday 28 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 597 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 Thursday 28 November

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:42  12:30 madhyāhna ends
10:5411:1811:4212:0612:3012:5413:18

48 of 48 minutes covered

Midday of Friday 29 November

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:42  12:30 madhyāhna ends
10:5411:1811:4212:0612:3012:5413:18

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 23:39 on Wed 27 Nov to 01:45 on Fri 29 Nov.

    1957-11-27T15:38:56Z → 1957-11-28T17:45:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 28th, 11:42–12:30 on the 29th.

    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 28th and 0 of 48 on the 29th.

    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 35809 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1957: Thursday 28 November.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1957 falls on Thursday 28 November. Saptamī runs from 23:39 on Wed 27 Nov to 01:45 on Fri 29 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1957/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 28 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 28 Nov
compat-drikpanchangComparison profileThu 28 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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles07:39 → 09:4511:1748 min11:170 min27 Nov
Chicago09:39 → 11:4511:1448 min11:1531 min27 Nov
Jersey City10:39 → 12:4511:2048 min11:2048 min27 Nov
Port of Spain11:39 → 13:4511:3039 min11:3048 min27 Nov
London15:39 → 17:4511:240 min11:2448 min28 Nov
Durban17:39 → 19:4511:200 min11:2048 min28 Nov
Dubai19:39 → 21:4511:420 min11:4348 min28 Nov
Delhi21:09 → 23:1511:450 min11:4548 min28 Nov
Kolkata21:09 → 23:1511:000 min11:0048 min28 Nov
Singapore23:09 → 01:1511:580 min11:5848 min28 Nov
Sydney01:39 → 03:4511:190 min11:1948 min28 Nov
Suva03:39 → 05:4511:300 min11:3048 min28 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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