Ruling · Mitra Saptamī · 1945

Tuesday 11 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 200 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 Tuesday 11 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

48 of 48 minutes covered

Midday of Wednesday 12 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 08:27 on Tue 11 Dec to 07:41 on Wed 12 Dec.

    1945-12-11T00:26:56Z → 1945-12-11T23:40:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 11th, 11:48–12:36 on the 12th.

    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 11th and 0 of 48 on the 12th.

    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 12016 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1945: Tuesday 11 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1945 falls on Tuesday 11 December. Saptamī runs from 08:27 on Tue 11 Dec to 07:41 on Wed 12 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1945/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 11 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 11 Dec
compat-drikpanchangComparison profileTue 11 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 12thCoveredRuled
Los Angeles16:27 → 15:4111:2248 min11:230 min11 Dec
Chicago18:27 → 17:4111:2048 min11:200 min11 Dec
Jersey City19:27 → 18:4111:2648 min11:260 min11 Dec
Port of Spain20:27 → 19:4111:3548 min11:360 min11 Dec
London00:27 → 23:4111:3048 min11:300 min11 Dec
Durban02:27 → 01:4111:2548 min11:260 min11 Dec
Dubai04:27 → 03:4111:4848 min11:480 min11 Dec
Delhi05:57 → 05:1111:5048 min11:510 min11 Dec
Kolkata05:57 → 05:1111:0648 min11:060 min11 Dec
Singapore07:57 → 07:1112:0448 min12:040 min11 Dec
Sydney10:27 → 09:4111:2448 min11:250 min11 Dec
Suva12:27 → 11:4111:350 min11:365 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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