Ruling · Mitra Saptamī · 1959

Sunday 6 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 580 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 Saturday 5 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

0 of 48 minutes covered

Midday of Sunday 6 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

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 22:54 on Sat 5 Dec to 22:13 on Sun 6 Dec.

    1959-12-05T14:53:36Z → 1959-12-06T14:13:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 5th, 11:45–12:33 on the 6th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.

    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 34820 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1959: Sunday 6 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1959 falls on Sunday 6 December. Saptamī runs from 22:54 on Sat 5 Dec to 22:13 on Sun 6 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1959/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 6 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 6 Dec
compat-drikpanchangComparison profileSun 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles06:54 → 06:1311:1948 min11:200 min5 Dec
Chicago08:54 → 08:1311:1748 min11:170 min5 Dec
Jersey City09:54 → 09:1311:2348 min11:230 min5 Dec
Port of Spain10:54 → 10:1311:3348 min11:330 min5 Dec
London14:54 → 14:1311:270 min11:2748 min6 Dec
Durban16:54 → 16:1311:220 min11:2348 min6 Dec
Dubai18:54 → 18:1311:450 min11:4548 min6 Dec
Delhi20:24 → 19:4311:470 min11:4848 min6 Dec
Kolkata20:24 → 19:4311:030 min11:0348 min6 Dec
Singapore22:24 → 21:4312:010 min12:0148 min6 Dec
Sydney00:54 → 00:1311:220 min11:2248 min6 Dec
Suva02:54 → 02:1311:330 min11:3348 min6 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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