Ruling · Makara Saṅkrānti · 1929

Sunday 13 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 212 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two days

A tick is five ghaṭīs, two hours. The day is midnight to midnight on the place’s clock.

Day of Sunday 13 January

Taken. The transit falls in this day.

00:00 midnightmidnight 00:00
Sun enters Makara 20:28:29
23:3603:3607:3611:3615:3619:3623:36

Falls in this day

Day of Monday 14 January

The transit does not fall in this day. Not taken.

00:00 midnightmidnight 00:00
23:3603:3607:3611:3615:3619:3623:36

Does not fall in this day

The day, the window the rule readsThe instant the Sun enters Makara

How it was decided

  1. 01

    Aṅga

    The Sun enters Makara at 20:28 on Sun 13 Jan.

    1929-01-13T12:28:30Z · nirayana, lahiri-iae1985

  2. 02

    Kāla

    The day is counted from midnight to midnight, on the clock of Baoding.

    civil-day: midnight-to-midnight · Asia/Shanghai

  3. 03

    Rule

    The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 13th, not the 14th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106

  4. 04

    Tie-break

    An instant falls in one day and no other. No tie-break is needed.

    day counted from midnight → only-day · margin 12690 s

  5. 05

    Ruling

    Makara Saṅkrānti, Baoding, 1929: Sunday 13 January.

    confidence: determinate

Say it like this

In Baoding, Makara Saṅkrānti 1929 falls on Sunday 13 January. The Sun enters Makara at 20:28 on Sun 13 Jan, and the rule counts the day from midnight. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 January.

ahargana.org/baoding/festivals/1929/makara-sankranti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 Jan
Ahargaṇa, classicalDisc centre, no refractionSun 13 Jan
compat-drikpanchangComparison profileSun 13 Jan
Counted from sunrise (the Orissa rule)CRC 1955, p. 244Sun 13 Jan
Past sunset, the next day (the Tamil rule)CRC 1955, p. 244Mon 14 Jan
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/makara-sankranti · ruleset 2026.3-draft

Sign entered
Makara
Zodiac
Nirayana
Ayanāṃśa
lahiri-iae1985
Day counted from
Midnight
Tie-break
None: an instant
Reference
CRC 1955, p. 106

“Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106. “The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSun enters MakaraMidnight 13thCoveredMidnight 14thCoveredRuled
Los Angeles04:2800:00falls00:00no13 Jan
Chicago06:2800:00falls00:00no13 Jan
Jersey City07:2800:00falls00:00no13 Jan
Port of Spain08:2800:00falls00:00no13 Jan
London12:2800:00falls00:00no13 Jan
Durban14:2800:00falls00:00no13 Jan
Dubai16:2800:00falls00:00no13 Jan
Delhi17:5800:00falls00:00no13 Jan
Kolkata17:5800:00falls00:00no13 Jan
Singapore19:2800:00falls00:00no13 Jan
Sydney22:2800:00falls00:00no13 Jan
Suva00:2800:00no00:00falls14 Jan
Profile · tradition
pac-rp@2026.1 · smarta
Rule
makara-sankranti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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