{"id":"vidhyamitra:city-day:lucknow:2015-05-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2015-05-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2015-05-12","date_display":"May 12, 2015 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":2015,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457154.770833,"kali_year":5117,"ahargana":1868689.2708,"sun":{"sidereal_longitude":26.9235,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":306.5273,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":279.6038,"elapsed_within_tithi_degrees":3.6038},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":306.5273,"elapsed_within_degrees":13.194},"yoga":{"number":26,"name":"Indra","sum_longitude":333.4508},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2015,"month":5,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457154.770833,"ahargana":1868689.2708,"kali_year":5117,"ayanamsa_lahiri":24.0676,"grahas":{"sun":{"sidereal_longitude":26.955576000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":304.752976,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":2.9696},"mars":{"sidereal_longitude":35.64517599999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":47.03477600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":109.41457600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":70.24217599999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":218.16407600000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":167.8497,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":347.8497,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"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":2015,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457154.770833,"kali_year":5117,"ahargana":1868689.2708,"sun":{"sidereal_longitude":26.9235,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":306.5273,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":279.6038,"elapsed_within_tithi_degrees":3.6038},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":306.5273,"elapsed_within_degrees":13.194},"yoga":{"number":26,"name":"Indra","sum_longitude":333.4508},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.97,"elongation":80.396},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.97,"opposition_distance":99.604}},"eclipse_window_40days":[]},"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:21","sunsetLocal":"18:44","solarNoonLocal":"12:02","dayLengthHours":13.395850007305999,"dayLengthDisplay":"13 Hours 23 Mins 45 Secs","nightLengthDisplay":"10 Hours 36 Mins 15 Secs","moonriseLocal":"00:55","moonsetLocal":"12:12","rahuKala":{"name":"Rāhu Kāla","start":"15:23","end":"17:04","startHours":15.390256173832025,"endHours":17.064737424745275,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:42","end":"10:22","startHours":8.692331170179026,"endHours":10.366812421092277,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:02","end":"13:43","startHours":12.041293672005526,"endHours":13.715774922918776,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:28","end":"08:55","startHours":8.469067003390592,"endHours":8.91559533696746,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:54","end":"06:16","startHours":5.9015290853236095,"endHours":6.258751752185103,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:29","startHours":11.594765338428658,"endHours":12.487822005582391,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:33","end":"04:27","startHours":3.5572553340450597,"endHours":4.4503120011987924,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:14","end":"05:21","startHours":4.22704783441036,"endHours":5.343368668352526,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:10","startHours":14.273935339889857,"endHours":15.16699200704359,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.539218675658525,"endHours":18.939218675658523,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:18","startHours":18.739218675658524,"endHours":19.29737909262961,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.489218675658524,"endHours":20.239218675658524,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:29","startHours":23.594765338428655,"endHours":24.48782200558239,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:21","end":"07:01","startHours":5.343368668352526,"endHours":7.017849919265776,"quality":"inauspicious"},{"name":"Udveg","start":"07:01","end":"08:42","startHours":7.017849919265776,"endHours":8.692331170179026,"quality":"inauspicious"},{"name":"Chala","start":"08:42","end":"10:22","startHours":8.692331170179026,"endHours":10.366812421092277,"quality":"neutral"},{"name":"Labha","start":"10:22","end":"12:02","startHours":10.366812421092277,"endHours":12.041293672005526,"quality":"auspicious"},{"name":"Amṛta","start":"12:02","end":"13:43","startHours":12.041293672005526,"endHours":13.715774922918776,"quality":"auspicious"},{"name":"Kāla","start":"13:43","end":"15:23","startHours":13.715774922918776,"endHours":15.390256173832025,"quality":"inauspicious"},{"name":"Śubha","start":"15:23","end":"17:04","startHours":15.390256173832025,"endHours":17.064737424745275,"quality":"auspicious"},{"name":"Roga","start":"17:04","end":"18:44","startHours":17.064737424745275,"endHours":18.739218675658524,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:44","end":"20:04","startHours":18.739218675658524,"endHours":20.064737424745275,"quality":"inauspicious"},{"name":"Śubha","start":"20:04","end":"21:23","startHours":20.064737424745275,"endHours":21.390256173832025,"quality":"auspicious"},{"name":"Roga","start":"21:23","end":"22:43","startHours":21.390256173832025,"endHours":22.715774922918776,"quality":"inauspicious"},{"name":"Udveg","start":"22:43","end":"00:02","startHours":22.715774922918776,"endHours":24.041293672005523,"quality":"inauspicious"},{"name":"Chala","start":"00:02","end":"01:22","startHours":24.041293672005523,"endHours":25.366812421092277,"quality":"neutral"},{"name":"Labha","start":"01:22","end":"02:42","startHours":25.366812421092277,"endHours":26.692331170179024,"quality":"auspicious"},{"name":"Amṛta","start":"02:42","end":"04:01","startHours":26.692331170179024,"endHours":28.017849919265775,"quality":"auspicious"},{"name":"Kāla","start":"04:01","end":"05:21","startHours":28.017849919265775,"endHours":29.343368668352525,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:21","end":"06:21","startHours":5.343368668352526,"endHours":6.343368668352526,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:21","end":"07:21","startHours":6.343368668352526,"endHours":7.343368668352526,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:21","end":"08:21","startHours":7.343368668352526,"endHours":8.343368668352525,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:21","end":"09:21","startHours":8.343368668352525,"endHours":9.343368668352525,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:21","end":"10:21","startHours":9.343368668352525,"endHours":10.343368668352525,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:21","end":"11:21","startHours":10.343368668352525,"endHours":11.343368668352525,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:21","end":"12:21","startHours":11.343368668352525,"endHours":12.343368668352525,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:21","end":"13:21","startHours":12.343368668352525,"endHours":13.343368668352525,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:21","end":"14:21","startHours":13.343368668352525,"endHours":14.343368668352525,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:21","end":"15:21","startHours":14.343368668352525,"endHours":15.343368668352525,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:21","end":"16:21","startHours":15.343368668352525,"endHours":16.343368668352525,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:21","end":"17:21","startHours":16.343368668352525,"endHours":17.343368668352525,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:21","end":"18:21","startHours":17.343368668352525,"endHours":18.343368668352525,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:21","end":"19:21","startHours":18.343368668352525,"endHours":19.343368668352525,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:21","end":"20:21","startHours":19.343368668352525,"endHours":20.343368668352525,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:21","end":"21:21","startHours":20.343368668352525,"endHours":21.343368668352525,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:21","end":"22:21","startHours":21.343368668352525,"endHours":22.343368668352525,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:21","end":"23:21","startHours":22.343368668352525,"endHours":23.343368668352525,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:21","end":"00:21","startHours":23.343368668352525,"endHours":24.343368668352525,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:21","end":"01:21","startHours":24.343368668352525,"endHours":25.343368668352525,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:21","end":"02:21","startHours":25.343368668352525,"endHours":26.343368668352525,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:21","end":"03:21","startHours":26.343368668352525,"endHours":27.343368668352525,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:21","end":"04:21","startHours":27.343368668352525,"endHours":28.343368668352525,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:21","end":"05:21","startHours":28.343368668352525,"endHours":29.343368668352525,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":18.01086856365499,"eotMinutes":3.7375796796685163,"ayanamsa":24.0676}},"calendars":{"vikram_samvat":2072,"vikram_samvatsara":"Kīlaka","saka_samvat":1937,"saka_samvatsara":"Manmatha","bengali_samvat":1422,"malayalam_era":1191,"nanakshahi_year":546,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Navamī · Vikram 2072 Kīlaka · Śaka 1937 Manmatha"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"lucknow"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 12, 2015 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"May 12, 2015 CE for Lucknow, Uttar Pradesh: Kṛṣṇa Navamī, sūryodaya 05:21, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2015-05-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2015-05-12","sa":"https://sa.vidhyamitra.com/city/lucknow/2015-05-12","hi":"https://hi.vidhyamitra.com/city/lucknow/2015-05-12","x-default":"https://vidhyamitra.com/city/lucknow/2015-05-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T08:01:10.346Z","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":"2026-05-15T08:01:10.346Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T08:01:10.346Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}