Ruling · Mitra Saptamī · 1916

Friday 1 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 617 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 Thursday 30 November

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

0 of 48 minutes covered

Midday of Friday 1 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

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 00:50 on Fri 1 Dec to 22:48 on Fri 1 Dec.

    1916-11-30T16:49:43Z → 1916-12-01T14:48:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 30th, 11:43–12:31 on the 1st.

    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 30th and 48 of 48 on the 1st.

    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 37026 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1916: Friday 1 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1916 falls on Friday 1 December. Saptamī runs from 00:50 on Fri 1 Dec to 22:48 on Fri 1 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1916/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 1 Dec
Ahargaṇa, classicalDisc centre, no refractionFri 1 Dec
compat-drikpanchangComparison profileFri 1 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 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles08:50 → 06:4811:1848 min11:180 min30 Nov
Chicago10:50 → 08:4811:1548 min11:160 min30 Nov
Jersey City11:50 → 09:4811:2119 min11:210 min30 Nov
Port of Spain12:50 → 10:4811:310 min11:310 min1 Dec
London16:50 → 14:4811:250 min11:2548 min1 Dec
Durban18:50 → 16:4811:210 min11:2148 min1 Dec
Dubai20:31 → 18:2911:240 min11:2548 min1 Dec
Delhi22:20 → 20:1811:460 min11:4648 min1 Dec
Kolkata22:20 → 20:1811:010 min11:0148 min1 Dec
Singapore23:50 → 21:4811:290 min11:3048 min1 Dec
Sydney02:50 → 00:4811:200 min11:2048 min1 Dec
Suva04:50 → 02:4811:310 min11:3148 min1 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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