Ruling · Mitra Saptamī · 2010

Sunday 12 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 186 minutes.

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 Sunday 12 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

48 of 48 minutes covered

Midday of Monday 13 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

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 06:14 on Sun 12 Dec to 08:42 on Mon 13 Dec.

    2010-12-11T22:13:34Z → 2010-12-13T00:42:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 12th, 11:48–12:36 on the 13th.

    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 12th and 0 of 48 on the 13th.

    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 11147 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 2010: Sunday 12 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 2010 falls on Sunday 12 December. Saptamī runs from 06:14 on Sun 12 Dec to 08:42 on Mon 13 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2010/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 12 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 12 Dec
compat-drikpanchangComparison profileSun 12 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 11thCoveredMadhyāhna 13thCoveredRuled
Los Angeles14:14 → 16:4211:220 min11:230 min12 Dec
Chicago16:14 → 18:4211:200 min11:210 min12 Dec
Jersey City17:14 → 19:4211:260 min11:260 min12 Dec
Port of Spain18:14 → 20:4211:350 min11:360 min12 Dec
London22:14 → 00:4211:300 min11:310 min12 Dec
Durban00:14 → 02:4211:250 min11:260 min12 Dec
Dubai02:14 → 04:4211:480 min11:490 min12 Dec
Delhi03:44 → 06:1211:500 min11:510 min12 Dec
Kolkata03:44 → 06:1211:060 min11:070 min12 Dec
Singapore06:14 → 08:4212:340 min12:350 min12 Dec
Sydney09:14 → 11:4212:240 min12:250 min12 Dec
Suva11:14 → 13:4212:350 min12:3648 min12 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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