Ruling · Mitra Saptamī · 2027

Sunday 5 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 535 minutes.

Decide it for

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 Saturday 4 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

0 of 48 minutes covered

Midday of Sunday 5 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

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 21:27 on Sat 4 Dec to 00:08 on Mon 6 Dec.

    2027-12-04T13:26:42Z → 2027-12-05T16:07:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 4th, 11:44–12:32 on the 5th.

    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 4th and 48 of 48 on the 5th.

    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 32081 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 2027: Sunday 5 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 2027 falls on Sunday 5 December. Saptamī runs from 21:27 on Sat 4 Dec to 00:08 on Mon 6 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2027/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 5 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 5 Dec
compat-drikpanchangComparison profileSun 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles05:27 → 08:0811:1948 min11:200 min4 Dec
Chicago07:27 → 10:0811:1748 min11:170 min4 Dec
Jersey City08:27 → 11:0811:2248 min11:230 min4 Dec
Port of Spain09:27 → 12:0811:3248 min11:3335 min4 Dec
London13:27 → 16:0811:260 min11:2748 min5 Dec
Durban15:27 → 18:0811:220 min11:2248 min5 Dec
Dubai17:27 → 20:0811:450 min11:4548 min5 Dec
Delhi18:57 → 21:3811:470 min11:4748 min5 Dec
Kolkata18:57 → 21:3811:020 min11:0348 min5 Dec
Singapore21:27 → 00:0812:310 min12:3148 min5 Dec
Sydney00:27 → 03:0812:210 min12:2248 min5 Dec
Suva01:27 → 04:0811:320 min11:3348 min5 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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