Ruling · Mitra Saptamī · 1942

Monday 14 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 95 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 13 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:48  13:36 madhyāhna ends
12:0012:2412:4813:1213:3614:0014:24

0 of 48 minutes covered

Midday of Monday 14 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 12:48  13:36 madhyāhna ends
12:0012:2412:4813:1213:3614:0014:24

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 16:31 on Sun 13 Dec to 15:12 on Mon 14 Dec.

    1942-12-13T07:30:59Z → 1942-12-14T06:11:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:48–13:36 on the 13th, 12:48–13:36 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 5720 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1942: Monday 14 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1942 falls on Monday 14 December. Saptamī runs from 16:31 on Sun 13 Dec to 15:12 on Mon 14 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1942/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 14 Dec
Ahargaṇa, classicalDisc centre, no refractionMon 14 Dec
compat-drikpanchangComparison profileMon 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles00:31 → 23:1212:2348 min12:240 min13 Dec
Chicago02:31 → 01:1212:2148 min12:210 min13 Dec
Jersey City03:31 → 02:1212:2648 min12:270 min13 Dec
Port of Spain04:31 → 03:1212:3648 min12:370 min13 Dec
London08:31 → 07:1212:3048 min12:310 min13 Dec
Durban10:31 → 09:1212:2648 min12:260 min13 Dec
Dubai11:31 → 10:1211:4948 min11:490 min13 Dec
Delhi14:01 → 12:4212:510 min12:510 min14 Dec
Kolkata14:01 → 12:4212:060 min12:0735 min14 Dec
Singapore16:31 → 15:1213:340 min13:3548 min14 Dec
Sydney18:31 → 17:1212:250 min12:2648 min14 Dec
Suva19:31 → 18:1211:360 min11:3748 min14 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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