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Ruling · 2070 · Daqing

Mitra Saptamī

Wednesday 10 December2070 · Daqing, Heilongjiang, China

Determinatemargin 181 min

In Daqing, under the Rashtriya Panchang method. Clear of every threshold by 181 minutes.

Decide it forDaqingDelhiKolkataSingaporeSydneyJersey City46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays मध्याह्न

One ghaṭī is 24 minutes

Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Tuesday 9 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:08  11:56 madhyāhna ends
10:2010:4411:0811:3211:5612:2012:44

0 of 48 minutes covered

Midday of Wednesday 10 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:09  11:57 madhyāhna ends
10:2110:4511:0911:3311:5712:2112:45

48 of 48 minutes covered

Saptamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided निर्णय

  1. Step 1, Aṅga

    Saptamī runs from 14:57 on Tue 9 Dec to 16:12 on Wed 10 Dec.

    2070-12-09T06:57:04Z → 2070-12-10T08:11:32Z
  2. Step 2, Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 9th, 11:09–11:57 on the 10th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
  3. Step 3, Rule

    Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
  4. Step 4, Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 10847 s
  5. Step 5, Ruling

    Mitra Saptamī, Daqing, 2070: Wednesday 10 December.

    confidence: determinate

Say it like this

In Daqing, Mitra Saptamī 2070 falls on Wednesday 10 December. Saptamī runs from 14:57 on Tue 9 Dec to 16:12 on Wed 10 Dec and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2070/mitra-saptamipac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 10 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 10 Dec
compat-drikpanchangComparison profileWed 10 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 clocks

PlaceSaptamīMadhyāhna 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles22:57 → 00:1211:2248 min11:220 min9 Dec
Chicago00:57 → 02:1211:1948 min11:200 min9 Dec
Jersey City01:57 → 03:1211:2548 min11:250 min9 Dec
Port of Spain02:57 → 04:1211:3548 min11:350 min9 Dec
London06:57 → 08:1211:2948 min11:290 min9 Dec
Durban08:57 → 10:1211:2448 min11:250 min9 Dec
Dubai10:57 → 12:1211:4748 min11:4824 min9 Dec
Delhi12:27 → 13:4211:4910 min11:5048 min9 Dec
Kolkata12:27 → 13:4211:050 min11:0548 min10 Dec
Singapore14:57 → 16:1212:330 min12:3348 min10 Dec
Sydney17:57 → 19:1212:240 min12:2448 min10 Dec
Suva18:57 → 20:1211:350 min11:3548 min10 Dec
This ruling as JSON · ICS
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