Ruling · Mitra Saptamī · 1947

Friday 19 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 13 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 Friday 19 December

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Saturday 20 December

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Saptamī ends 12:52:29
11:0311:2711:5112:1512:3913:0313:27

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 10:47 on Fri 19 Dec to 12:52 on Sat 20 Dec.

    1947-12-19T02:47:14Z → 1947-12-20T04:52:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 19th, 11:51–12:39 on the 20th.

    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 19th and 48 of 48 on the 20th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 791 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1947: Friday 19 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1947 falls on Friday 19 December. Saptamī runs from 10:47 on Fri 19 Dec to 12:52 on Sat 20 Dec and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/1947/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 19 Dec
Ahargaṇa, classicalDisc centre, no refractionFri 19 Dec
compat-drikpanchangComparison profileFri 19 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles18:47 → 20:5211:2648 min11:260 min19 Dec
Chicago20:47 → 22:5211:2448 min11:240 min19 Dec
Jersey City21:47 → 23:5211:2948 min11:300 min19 Dec
Port of Spain22:47 → 00:5211:3948 min11:390 min19 Dec
London02:47 → 04:5211:3348 min11:340 min19 Dec
Durban04:47 → 06:5211:2948 min11:290 min19 Dec
Dubai06:47 → 08:5211:5248 min11:520 min19 Dec
Delhi08:17 → 10:2211:5448 min11:540 min19 Dec
Kolkata08:17 → 10:2211:0948 min11:100 min19 Dec
Singapore10:17 → 12:2212:0748 min12:0815 min19 Dec
Sydney12:47 → 14:5211:280 min11:2848 min20 Dec
Suva14:47 → 16:5211:390 min11:3948 min20 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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