Ruling · Śrī Pañcamī · 1900

Sunday 4 February

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 250 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 3 February

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:35  12:23 madhyāhna ends
10:4711:1111:3511:5912:2312:4713:11

0 of 48 minutes covered

Midday of Sunday 4 February

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:35  12:23 madhyāhna ends
10:4711:1111:3511:5912:2312:4713:11

48 of 48 minutes covered

Pañcamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 19:19 on Sat 3 Feb to 16:34 on Sun 4 Feb.

    1900-02-03T11:13:58Z → 1900-02-04T08:28:37Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 3rd, 11:35–12:23 on the 4th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 15015 s

  5. 05

    Ruling

    Śrī Pañcamī, Daqing, 1900: Sunday 4 February.

    confidence: determinate

Say it like this

In Daqing, Śrī Pañcamī 1900 falls on Sunday 4 February. Pañcamī runs from 19:19 on Sat 3 Feb to 16:34 on Sun 4 Feb and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1900/shri-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 4 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 4 Feb
compat-drikpanchangComparison profileSun 4 Feb
No institution has a recorded ruling for Daqing.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/shri-panchami · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles03:14 → 00:2911:4348 min11:430 min3 Feb
Chicago05:14 → 02:2911:4148 min11:410 min3 Feb
Jersey City06:14 → 03:2911:4748 min11:470 min3 Feb
Port of Spain07:14 → 04:2911:5648 min11:560 min3 Feb
London11:14 → 08:2911:5148 min11:510 min3 Feb
Durban12:44 → 09:5911:160 min11:160 min4 Feb
Dubai14:55 → 12:1011:500 min11:5020 min4 Feb
Delhi16:35 → 13:5012:020 min12:0248 min4 Feb
Kolkata16:35 → 13:5011:180 min11:1848 min4 Feb
Singapore18:09 → 15:2411:500 min11:5048 min4 Feb
Sydney21:14 → 18:2911:450 min11:4548 min4 Feb
Suva23:09 → 20:2411:510 min11:5148 min4 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shri-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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