Ruling · Mitra Saptamī · 1971

Thursday 25 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 46 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 Wednesday 24 November

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

0 of 48 minutes covered

Midday of Thursday 25 November

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:41  12:29 madhyāhna ends
Saptamī ends 13:14:34
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 14:06 on Wed 24 Nov to 13:15 on Thu 25 Nov.

    1971-11-24T06:05:42Z → 1971-11-25T05:14:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 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 2750 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1971: Thursday 25 November.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1971 falls on Thursday 25 November. Saptamī runs from 14:06 on Wed 24 Nov to 13:15 on Thu 25 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1971/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 25 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 25 Nov
compat-drikpanchangComparison profileThu 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 Angeles22:06 → 21:1511:1548 min11:160 min24 Nov
Chicago00:06 → 23:1511:1348 min11:130 min24 Nov
Jersey City01:06 → 00:1511:1948 min11:190 min24 Nov
Port of Spain02:06 → 01:1511:2948 min11:290 min24 Nov
London06:06 → 05:1511:2348 min11:230 min24 Nov
Durban08:06 → 07:1511:1948 min11:190 min24 Nov
Dubai10:06 → 09:1511:4148 min11:410 min24 Nov
Delhi11:36 → 10:4511:4348 min11:440 min24 Nov
Kolkata11:36 → 10:4510:5911 min10:590 min24 Nov
Singapore13:36 → 12:4511:570 min11:5747 min25 Nov
Sydney17:06 → 16:1512:180 min12:1848 min25 Nov
Suva18:06 → 17:1511:290 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

About Ahargaṇa