Ruling · Mitra Saptamī · 1960

Friday 25 November

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 1 min 09 s away. Say “contested”.

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 24 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 25 November

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:41  12:29 madhyāhna ends
Saptamī ends 12:30:07
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 14:28 on Thu 24 Nov to 12:30 on Fri 25 Nov.

    1960-11-24T06:27:55Z → 1960-11-25T04:30:07Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 24th, 11:41–12:29 on the 25th.

    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 24th and 48 of 48 on the 25th.

    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 69 s < 300 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1960: Friday 25 November.

    confidence: boundary (margin)

Say it like this

In Baoding, Mitra Saptamī 1960 falls on Friday 25 November. Saptamī runs from 14:28 on Thu 24 Nov to 12:30 on Fri 25 Nov and covers all of madhyāhna that midday. It is 1 min 09 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1960/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 25 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 25 Nov
compat-drikpanchangComparison profileFri 25 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles22:28 → 20:3011:1648 min11:160 min24 Nov
Chicago00:28 → 22:3011:1348 min11:140 min24 Nov
Jersey City01:28 → 23:3011:1948 min11:190 min24 Nov
Port of Spain02:28 → 00:3011:2948 min11:290 min24 Nov
London06:28 → 04:3011:2348 min11:230 min24 Nov
Durban08:28 → 06:3011:1948 min11:190 min24 Nov
Dubai10:28 → 08:3011:4148 min11:420 min24 Nov
Delhi11:58 → 10:0011:4434 min11:440 min24 Nov
Kolkata11:58 → 10:0010:590 min10:590 min25 Nov
Singapore13:58 → 12:0011:570 min11:583 min25 Nov
Sydney16:28 → 14:3011:180 min11:1848 min25 Nov
Suva18:28 → 16:3011:290 min11:2948 min25 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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