{"id":"vidhyamitra:city-day:colombo:2012-09-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2012-09-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-09-27","date_display":"September 27, 2012 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2012,"month":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456197.770833,"kali_year":5114,"ahargana":1867732.2708,"sun":{"sidereal_longitude":159.5343,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":302.8303,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":143.296,"elapsed_within_tithi_degrees":11.296},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":302.8303,"elapsed_within_degrees":9.4969},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":102.3646},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2012,"month":9,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456197.770833,"ahargana":1867732.2708,"kali_year":5114,"ayanamsa_lahiri":24.031,"grahas":{"sun":{"sidereal_longitude":160.30944,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":303.61294,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":4.4775},"mars":{"sidereal_longitude":208.75644,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":172.69394,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":51.91754000000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":118.58503999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":184.68064000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":218.5561,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":38.5561,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2012,"month":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456197.770833,"kali_year":5114,"ahargana":1867732.2708,"sun":{"sidereal_longitude":159.5343,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":302.8303,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":143.296,"elapsed_within_tithi_degrees":11.296},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":302.8303,"elapsed_within_degrees":9.4969},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":102.3646},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.478,"elongation":143.296},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.478,"opposition_distance":36.704}},"eclipse_window_40days":[]},"city":{"slug":"colombo","name":"Colombo, Sri Lanka","lat":6.9271,"lon":79.8612,"tz_offset_hours":5.5,"country":"LK","tier":"diaspora"},"tier2":{"city":{"slug":"colombo","name":"Colombo, Sri Lanka","lat":6.9271,"lon":79.8612,"tz_offset_hours":5.5,"country":"LK","tier":"diaspora"},"sunriseLocal":"05:58","sunsetLocal":"18:03","solarNoonLocal":"12:01","dayLengthHours":12.08398086306849,"dayLengthDisplay":"12 Hours 05 Mins 02 Secs","nightLengthDisplay":"11 Hours 54 Mins 58 Secs","moonriseLocal":"15:38","moonsetLocal":"03:30","rahuKala":{"name":"Rāhu Kāla","start":"13:31","end":"15:02","startHours":13.522404847971593,"endHours":15.032902455855154,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:58","end":"07:29","startHours":5.969916808553786,"endHours":7.480414416437347,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:59","end":"10:30","startHours":8.99091202432091,"endHours":10.50140963220447,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:12","startHours":8.789512343269767,"endHours":9.19231170537205,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:48","startHours":6.47341601118164,"endHours":6.795655500863466,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:25","startHours":11.60910787798575,"endHours":12.414706602190314,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:10","startHours":4.358719360144654,"endHours":5.16431808434922,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:58","end":"05:58","startHours":4.962918403298079,"endHours":5.969916808553786,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:50","startHours":14.025904050599447,"endHours":14.831502774804013,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.853897671622278,"endHours":18.253897671622276,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:33","startHours":18.053897671622277,"endHours":18.55739687425013,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.803897671622277,"endHours":19.553897671622277,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:25","startHours":23.60910787798575,"endHours":24.414706602190314,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:58","end":"07:29","startHours":5.969916808553786,"endHours":7.480414416437347,"quality":"auspicious"},{"name":"Roga","start":"07:29","end":"08:59","startHours":7.480414416437347,"endHours":8.99091202432091,"quality":"inauspicious"},{"name":"Udveg","start":"08:59","end":"10:30","startHours":8.99091202432091,"endHours":10.50140963220447,"quality":"inauspicious"},{"name":"Chala","start":"10:30","end":"12:01","startHours":10.50140963220447,"endHours":12.011907240088032,"quality":"neutral"},{"name":"Labha","start":"12:01","end":"13:31","startHours":12.011907240088032,"endHours":13.522404847971593,"quality":"auspicious"},{"name":"Amṛta","start":"13:31","end":"15:02","startHours":13.522404847971593,"endHours":15.032902455855154,"quality":"auspicious"},{"name":"Kāla","start":"15:02","end":"16:33","startHours":15.032902455855154,"endHours":16.543400063738716,"quality":"inauspicious"},{"name":"Śubha","start":"16:33","end":"18:03","startHours":16.543400063738716,"endHours":18.053897671622277,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:03","end":"19:33","startHours":18.053897671622277,"endHours":19.543400063738716,"quality":"auspicious"},{"name":"Kāla","start":"19:33","end":"21:02","startHours":19.543400063738716,"endHours":21.032902455855154,"quality":"inauspicious"},{"name":"Śubha","start":"21:02","end":"22:31","startHours":21.032902455855154,"endHours":22.522404847971593,"quality":"auspicious"},{"name":"Roga","start":"22:31","end":"00:01","startHours":22.522404847971593,"endHours":24.011907240088032,"quality":"inauspicious"},{"name":"Udveg","start":"00:01","end":"01:30","startHours":24.011907240088032,"endHours":25.50140963220447,"quality":"inauspicious"},{"name":"Chala","start":"01:30","end":"02:59","startHours":25.50140963220447,"endHours":26.99091202432091,"quality":"neutral"},{"name":"Labha","start":"02:59","end":"04:29","startHours":26.99091202432091,"endHours":28.48041441643735,"quality":"auspicious"},{"name":"Amṛta","start":"04:29","end":"05:58","startHours":28.48041441643735,"endHours":29.969916808553787,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.969916808553786,"endHours":6.969916808553786,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.969916808553786,"endHours":7.969916808553786,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.969916808553786,"endHours":8.969916808553787,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.969916808553787,"endHours":9.969916808553787,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.969916808553787,"endHours":10.969916808553787,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.969916808553787,"endHours":11.969916808553787,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.969916808553787,"endHours":12.969916808553787,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.969916808553787,"endHours":13.969916808553787,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.969916808553787,"endHours":14.969916808553787,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.969916808553787,"endHours":15.969916808553787,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.969916808553787,"endHours":16.969916808553787,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.969916808553787,"endHours":17.969916808553787,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.969916808553787,"endHours":18.969916808553787,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.969916808553787,"endHours":19.969916808553787,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.969916808553787,"endHours":20.969916808553787,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.969916808553787,"endHours":21.969916808553787,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.969916808553787,"endHours":22.969916808553787,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.969916808553787,"endHours":23.969916808553787,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.969916808553787,"endHours":24.969916808553787,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.969916808553787,"endHours":25.969916808553787,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.969916808553787,"endHours":26.969916808553787,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.969916808553787,"endHours":27.969916808553787,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.969916808553787,"endHours":28.969916808553787,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.969916808553787,"endHours":29.969916808553787,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-1.7249437327627009,"eotMinutes":9.840765594718077,"ayanamsa":24.031}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"vamana-jayanti","name":"Vāmana Jayantī","name_sanskrit":"वामन जयन्ती","tradition":"Vaishnava","associated_deity":"Vāmana (5th daśāvatāra of Krishna)","deity_avatara_index":15,"significance":"Vāmana's three-step measure of all worlds; Bali's surrender. (= Onam in Kerala.)","vrata":true,"detection":{"tithi_number":12,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Bhāgavata 8.18-22"]}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"colombo"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 27, 2012 CE · Colombo, Sri Lanka · Vidhyamitra","description":"September 27, 2012 CE for Colombo, Sri Lanka: Śukla Dvādaśī, sūryodaya 05:58, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2012-09-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2012-09-27","sa":"https://sa.vidhyamitra.com/city/colombo/2012-09-27","hi":"https://hi.vidhyamitra.com/city/colombo/2012-09-27","x-default":"https://vidhyamitra.com/city/colombo/2012-09-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:59:36.522Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-02T04:59:36.522Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:59:36.522Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}