Ruling · Mitra Saptamī · 1982

Wednesday 22 December

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 86 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Wednesday 22 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:14  12:02 madhyāhna ends
10:2610:5011:1411:3812:0212:2612:50

48 of 48 minutes covered

Midday of Thursday 23 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:15  12:03 madhyāhna ends
10:2710:5111:1511:3912:0312:2712:51

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 08:23 on Wed 22 Dec to 09:49 on Thu 23 Dec.

    1982-12-22T00:23:07Z → 1982-12-23T01:49:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 22nd, 11:15–12:03 on the 23rd.

    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 22nd and 0 of 48 on the 23rd.

    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 5131 s

  5. 05

    Ruling

    Mitra Saptamī, Daqing, 1982: Wednesday 22 December.

    confidence: determinate

Say it like this

In Daqing, Mitra Saptamī 1982 falls on Wednesday 22 December. Saptamī runs from 08:23 on Wed 22 Dec to 09:49 on Thu 23 Dec and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1982/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 22 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 22 Dec
compat-drikpanchangComparison profileWed 22 Dec
No institution has a recorded ruling for Daqing.

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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles16:23 → 17:4911:2848 min11:280 min22 Dec
Chicago18:23 → 19:4911:2548 min11:260 min22 Dec
Jersey City19:23 → 20:4911:3148 min11:310 min22 Dec
Port of Spain20:23 → 21:4911:4148 min11:410 min22 Dec
London00:23 → 01:4911:3548 min11:360 min22 Dec
Durban02:23 → 03:4911:3048 min11:310 min22 Dec
Dubai04:23 → 05:4911:5348 min11:540 min22 Dec
Delhi05:53 → 07:1911:5548 min11:560 min22 Dec
Kolkata05:53 → 07:1911:1148 min11:110 min22 Dec
Singapore08:23 → 09:4912:3948 min12:390 min22 Dec
Sydney11:23 → 12:4912:2948 min12:3019 min22 Dec
Suva12:23 → 13:4911:415 min11:4148 min22 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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