Ruling · Mitra Saptamī · 1936

Sunday 20 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 138 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 20 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Monday 21 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 09:34 on Sun 20 Dec to 08:18 on Mon 21 Dec.

    1936-12-20T01:34:05Z → 1936-12-21T00:17:51Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 20th, 11:52–12:40 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 8255 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1936: Sunday 20 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1936 falls on Sunday 20 December. Saptamī runs from 09:34 on Sun 20 Dec to 08:18 on Mon 21 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1936/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 20 Dec
compat-drikpanchangComparison profileSun 20 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles17:34 → 16:1811:2748 min11:270 min20 Dec
Chicago19:34 → 18:1811:2448 min11:250 min20 Dec
Jersey City20:34 → 19:1811:3048 min11:310 min20 Dec
Port of Spain21:34 → 20:1811:4048 min11:400 min20 Dec
London01:34 → 00:1811:3448 min11:350 min20 Dec
Durban03:34 → 02:1811:3048 min11:300 min20 Dec
Dubai05:34 → 04:1811:5248 min11:530 min20 Dec
Delhi07:04 → 05:4811:5548 min11:550 min20 Dec
Kolkata07:04 → 05:4811:1048 min11:110 min20 Dec
Singapore08:54 → 07:3811:5848 min11:590 min20 Dec
Sydney11:34 → 10:1811:2943 min11:290 min20 Dec
Suva13:34 → 12:1811:400 min11:4038 min21 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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