{"id":"vidhyamitra:city-day:colombo:2012-02-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2012-02-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-02-23","date_display":"February 23, 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":2,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455980.770833,"kali_year":5113,"ahargana":1867515.2708,"sun":{"sidereal_longitude":309.8987,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":324.8537,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":14.9551,"elapsed_within_tithi_degrees":2.9551},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":324.8537,"elapsed_within_degrees":4.8537},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.7524},"karana":{"half_tithi_index":2,"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":2,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455980.770833,"ahargana":1867515.2708,"kali_year":5113,"ayanamsa_lahiri":24.0227,"grahas":{"sun":{"sidereal_longitude":309.79603099999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":322.4751309999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false,"latitude":4.4842},"mars":{"sidereal_longitude":143.15723100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":322.228031,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":11.613531000000023,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":352.995131,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":185.024131,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":230.0538,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":50.0538,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455980.770833,"kali_year":5113,"ahargana":1867515.2708,"sun":{"sidereal_longitude":309.8987,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":324.8537,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":14.9551,"elapsed_within_tithi_degrees":2.9551},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":324.8537,"elapsed_within_degrees":4.8537},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.7524},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.484,"elongation":14.955},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.484,"opposition_distance":165.045}},"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":"06:26","sunsetLocal":"18:23","solarNoonLocal":"12:25","dayLengthHours":11.948201025135239,"dayLengthDisplay":"11 Hours 56 Mins 54 Secs","nightLengthDisplay":"12 Hours 03 Mins 06 Secs","moonriseLocal":"07:15","moonsetLocal":"19:15","rahuKala":{"name":"Rāhu Kāla","start":"13:54","end":"15:24","startHours":13.902250077466297,"endHours":15.395775205608201,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:26","end":"07:56","startHours":6.434624436756772,"endHours":7.9281495648986775,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:25","end":"10:55","startHours":9.421674693040583,"endHours":10.915199821182487,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:37","startHours":9.222538009288328,"endHours":9.620811376792837,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:15","startHours":6.932466146137408,"endHours":7.251084840141014,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:48","startHours":12.010451581819883,"endHours":12.8069983168289,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:50","end":"05:38","startHours":4.84153096673874,"endHours":5.638077701747757,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:26","end":"06:26","startHours":5.438941017995503,"endHours":6.434624436756772,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:12","startHours":14.400091786846932,"endHours":15.196638521855949,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.182825461892012,"endHours":18.58282546189201,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:53","startHours":18.38282546189201,"endHours":18.880667171272645,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.13282546189201,"endHours":19.88282546189201,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:48","startHours":24.010451581819883,"endHours":24.8069983168289,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:26","end":"07:56","startHours":6.434624436756772,"endHours":7.9281495648986775,"quality":"auspicious"},{"name":"Roga","start":"07:56","end":"09:25","startHours":7.9281495648986775,"endHours":9.421674693040583,"quality":"inauspicious"},{"name":"Udveg","start":"09:25","end":"10:55","startHours":9.421674693040583,"endHours":10.915199821182487,"quality":"inauspicious"},{"name":"Chala","start":"10:55","end":"12:25","startHours":10.915199821182487,"endHours":12.408724949324391,"quality":"neutral"},{"name":"Labha","start":"12:25","end":"13:54","startHours":12.408724949324391,"endHours":13.902250077466297,"quality":"auspicious"},{"name":"Amṛta","start":"13:54","end":"15:24","startHours":13.902250077466297,"endHours":15.395775205608201,"quality":"auspicious"},{"name":"Kāla","start":"15:24","end":"16:53","startHours":15.395775205608201,"endHours":16.889300333750107,"quality":"inauspicious"},{"name":"Śubha","start":"16:53","end":"18:23","startHours":16.889300333750107,"endHours":18.38282546189201,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:23","end":"19:53","startHours":18.38282546189201,"endHours":19.889300333750107,"quality":"auspicious"},{"name":"Kāla","start":"19:53","end":"21:24","startHours":19.889300333750107,"endHours":21.395775205608203,"quality":"inauspicious"},{"name":"Śubha","start":"21:24","end":"22:54","startHours":21.395775205608203,"endHours":22.9022500774663,"quality":"auspicious"},{"name":"Roga","start":"22:54","end":"00:25","startHours":22.9022500774663,"endHours":24.40872494932439,"quality":"inauspicious"},{"name":"Udveg","start":"00:25","end":"01:55","startHours":24.40872494932439,"endHours":25.915199821182487,"quality":"inauspicious"},{"name":"Chala","start":"01:55","end":"03:25","startHours":25.915199821182487,"endHours":27.421674693040583,"quality":"neutral"},{"name":"Labha","start":"03:25","end":"04:56","startHours":27.421674693040583,"endHours":28.928149564898675,"quality":"auspicious"},{"name":"Amṛta","start":"04:56","end":"06:26","startHours":28.928149564898675,"endHours":30.43462443675677,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:26","end":"07:26","startHours":6.434624436756772,"endHours":7.434624436756772,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:26","end":"08:26","startHours":7.434624436756772,"endHours":8.434624436756772,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:26","end":"09:26","startHours":8.434624436756772,"endHours":9.434624436756772,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:26","end":"10:26","startHours":9.434624436756772,"endHours":10.434624436756772,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:26","end":"11:26","startHours":10.434624436756772,"endHours":11.434624436756772,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:26","end":"12:26","startHours":11.434624436756772,"endHours":12.434624436756772,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:26","end":"13:26","startHours":12.434624436756772,"endHours":13.434624436756772,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:26","end":"14:26","startHours":13.434624436756772,"endHours":14.434624436756772,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:26","end":"15:26","startHours":14.434624436756772,"endHours":15.434624436756772,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:26","end":"16:26","startHours":15.434624436756772,"endHours":16.43462443675677,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:26","end":"17:26","startHours":16.43462443675677,"endHours":17.43462443675677,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:26","end":"18:26","startHours":17.43462443675677,"endHours":18.43462443675677,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:26","end":"19:26","startHours":18.43462443675677,"endHours":19.43462443675677,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:26","end":"20:26","startHours":19.43462443675677,"endHours":20.43462443675677,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:26","end":"21:26","startHours":20.43462443675677,"endHours":21.43462443675677,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:26","end":"22:26","startHours":21.43462443675677,"endHours":22.43462443675677,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:26","end":"23:26","startHours":22.43462443675677,"endHours":23.43462443675677,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:26","end":"00:26","startHours":23.43462443675677,"endHours":24.43462443675677,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:26","end":"01:26","startHours":24.43462443675677,"endHours":25.43462443675677,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:26","end":"02:26","startHours":25.43462443675677,"endHours":26.43462443675677,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:26","end":"03:26","startHours":26.43462443675677,"endHours":27.43462443675677,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:26","end":"04:26","startHours":27.43462443675677,"endHours":28.43462443675677,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:26","end":"05:26","startHours":28.43462443675677,"endHours":29.43462443675677,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:26","end":"06:26","startHours":29.43462443675677,"endHours":30.43462443675677,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.106856181118136,"eotMinutes":-13.968296959463448,"ayanamsa":24.0227}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Dvitīyā · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[],"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 February 23, 2012 CE · Colombo, Sri Lanka · Vidhyamitra","description":"February 23, 2012 CE for Colombo, Sri Lanka: Śukla Dvitīyā, sūryodaya 06:26, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2012-02-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2012-02-23","sa":"https://sa.vidhyamitra.com/city/colombo/2012-02-23","hi":"https://hi.vidhyamitra.com/city/colombo/2012-02-23","x-default":"https://vidhyamitra.com/city/colombo/2012-02-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:29:56.187Z","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":"2026-05-31T19:29:56.187Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:29:56.187Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}