Ruling · Mitra Saptamī · 1986

Sunday 7 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 363 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 Sunday 7 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

48 of 48 minutes covered

Midday of Monday 8 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

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 05:43 on Sun 7 Dec to 04:24 on Mon 8 Dec.

    1986-12-06T21:42:46Z → 1986-12-07T20:23:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 7th, 11:46–12:34 on the 8th.

    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 7th and 0 of 48 on the 8th.

    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 21752 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1986: Sunday 7 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1986 falls on Sunday 7 December. Saptamī runs from 05:43 on Sun 7 Dec to 04:24 on Mon 8 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1986/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 7 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 7 Dec
compat-drikpanchangComparison profileSun 7 Dec
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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles13:43 → 12:2411:200 min11:2048 min7 Dec
Chicago15:43 → 14:2411:180 min11:1848 min7 Dec
Jersey City16:43 → 15:2411:230 min11:2448 min7 Dec
Port of Spain17:43 → 16:2411:330 min11:3448 min7 Dec
London21:43 → 20:2411:270 min11:2848 min7 Dec
Durban23:43 → 22:2411:230 min11:2348 min7 Dec
Dubai01:43 → 00:2411:460 min11:4648 min7 Dec
Delhi03:13 → 01:5411:480 min11:4848 min7 Dec
Kolkata03:13 → 01:5411:030 min11:0448 min7 Dec
Singapore05:43 → 04:2412:310 min12:3248 min7 Dec
Sydney08:43 → 07:2412:220 min12:2248 min7 Dec
Suva09:43 → 08:2411:330 min11:3448 min7 Dec
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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