Ruling · Holī · 2007

Sunday 4 March

Determinatein Datong, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Sat 3 Mar. Clear of every threshold by 527 minutes.

Decide it for

40°06′ N 113°17′ E · Asia/Shanghai · GeoNames 2037799

The two late afternoons

One ghaṭī is 24 minutes. Sāyāhna is last 3 of 15 day muhūrtas.

Late afternoon of Saturday 3 March

Taken for Holikā Dahana. The only late afternoon Pūrṇimā reaches. Holī is the day after.

16:03 sāyāhna beginssunset 18:20
15:3916:0316:2716:5117:1517:3918:0318:2718:51

136 of 136 minutes covered

Late afternoon of Sunday 4 March

Pūrṇimā is absent from sāyāhna. Not taken.

16:04 sāyāhna beginssunset 18:21
15:4016:0416:2816:5217:1617:4018:0418:2818:52

0 of 137 minutes covered

Pūrṇimā presentSāyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 05:22 on Sat 3 Mar to 07:17 on Sun 4 Mar.

    2007-03-02T21:21:35Z → 2007-03-03T23:17:07Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:03–18:20 on the 3rd, 16:04–18:21 on the 4th.

    sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 136 of 136 minutes on the 3rd and 0 of 137 on the 4th.

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

  4. 04

    Tie-break

    Only one late afternoon qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 31616 s

  5. 05

    Counted

    Holī is kept the day after Holikā Dahana: Saturday 3 March is the day taken above.

    follows: holika-dahana + 1 d

  6. 06

    Ruling

    Holī, Datong, 2007: Sunday 4 March.

    confidence: determinate

Say it like this

In Datong, Holī 2007 falls on Sunday 4 March. It is kept the day after Holikā Dahana, which falls on Saturday 3 March. Pūrṇimā runs from 05:22 on Sat 3 Mar to 07:17 on Sun 4 Mar and covers all of sāyāhna on the 3rd.

ahargana.org/datong/festivals/2007/holi · pac-rp@2026.1

Who says what

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

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

The rule, as data

/rules/holi · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Sāyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Kept
The day after Holikā Dahana

“S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāSāyāhna 2ndCoveredSāyāhna 3rdCoveredRuled
Los Angeles13:22 → 15:1715:32138 min15:320 min3 Mar
Chicago15:22 → 17:1715:26135 min15:27110 min3 Mar
Jersey City16:22 → 18:1715:3286 min15:33136 min4 Mar
Port of Spain17:22 → 19:1715:5354 min15:53143 min4 Mar
London21:22 → 23:1715:300 min15:31132 min4 Mar
Durban23:22 → 01:1715:560 min15:55152 min4 Mar
Dubai01:22 → 03:1716:010 min16:01140 min4 Mar
Delhi02:52 → 04:4716:020 min16:02139 min4 Mar
Kolkata02:52 → 04:4715:200 min15:20141 min4 Mar
Singapore05:22 → 07:1716:540 min16:54145 min4 Mar
Sydney08:22 → 10:1716:570 min16:57153 min4 Mar
Suva09:22 → 11:1716:020 min16:02149 min4 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
holi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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