Ruling · Mitra Saptamī · 2077

Wednesday 22 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 7 min 52 s.

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 Tuesday 21 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
Saptamī begins 12:48:19
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Midday of Wednesday 22 December

Taken. Saptamī reaches neither midday; the rule takes the second day.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 12:48 on Tue 21 Dec to 10:56 on Wed 22 Dec.

    2077-12-21T04:48:20Z → 2077-12-22T02:56:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 21st, 11:53–12:41 on the 22nd.

    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 21st and 0 of 48 on the 22nd.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 472 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 2077: Wednesday 22 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 2077 falls on Wednesday 22 December. Saptamī runs from 12:48 on Tue 21 Dec to 10:56 on Wed 22 Dec, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2077/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 22 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 22 Dec
compat-drikpanchangComparison profileTue 21 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles20:48 → 18:5611:2848 min11:280 min21 Dec
Chicago22:48 → 20:5611:2548 min11:260 min21 Dec
Jersey City23:48 → 21:5611:3148 min11:310 min21 Dec
Port of Spain00:48 → 22:5611:4148 min11:410 min21 Dec
London04:48 → 02:5611:3548 min11:350 min21 Dec
Durban06:48 → 04:5611:3048 min11:310 min21 Dec
Dubai08:48 → 06:5611:5348 min11:540 min21 Dec
Delhi10:18 → 08:2611:5548 min11:560 min21 Dec
Kolkata10:18 → 08:2611:1148 min11:110 min21 Dec
Singapore12:48 → 10:5612:3939 min12:390 min21 Dec
Sydney15:48 → 13:5612:290 min12:3048 min22 Dec
Suva16:48 → 14:5611:410 min11:4148 min22 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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