Ruling · Mitra Saptamī · 2007

Sunday 16 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 260 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 16 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

48 of 48 minutes covered

Midday of Monday 17 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:50  12:38 madhyāhna ends
11:0211:2611:5012:1412:3813:0213:26

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 07:30 on Sun 16 Dec to 06:50 on Mon 17 Dec.

    2007-12-15T23:29:47Z → 2007-12-16T22:50:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 16th, 11:50–12:38 on the 17th.

    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 16th and 0 of 48 on the 17th.

    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 15579 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 2007: Sunday 16 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 2007 falls on Sunday 16 December. Saptamī runs from 07:30 on Sun 16 Dec to 06:50 on Mon 17 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2007/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 16 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 16 Dec
compat-drikpanchangComparison profileSun 16 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles15:30 → 14:5011:240 min11:2548 min16 Dec
Chicago17:30 → 16:5011:220 min11:2248 min16 Dec
Jersey City18:30 → 17:5011:270 min11:2848 min16 Dec
Port of Spain19:30 → 18:5011:370 min11:3848 min16 Dec
London23:30 → 22:5011:310 min11:3248 min16 Dec
Durban01:30 → 00:5011:270 min11:2748 min16 Dec
Dubai03:30 → 02:5011:500 min11:5048 min16 Dec
Delhi05:00 → 04:2011:520 min11:5248 min16 Dec
Kolkata05:00 → 04:2011:070 min11:0848 min16 Dec
Singapore07:30 → 06:5012:350 min12:3648 min16 Dec
Sydney10:30 → 09:5012:260 min12:2648 min16 Dec
Suva11:30 → 10:5011:370 min11:3848 min16 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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