{"id":"vidhyamitra:city-day:ayodhya:1670-02-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1670-02-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1670-02-15","date_display":"February 15, 1670 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":1670,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2331060.770833,"kali_year":4771,"ahargana":1742595.2708,"sun":{"sidereal_longitude":308.3764,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":244.0878,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":295.7114,"elapsed_within_tithi_degrees":7.7114},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":244.0878,"elapsed_within_degrees":4.0878},"yoga":{"number":15,"name":"Vajra","sum_longitude":192.4642},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1670,"month":2,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2331060.770833,"ahargana":1742595.2708,"kali_year":4771,"ayanamsa_lahiri":19.2449,"grahas":{"sun":{"sidereal_longitude":307.490094,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":240.206994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":-3.6926},"mars":{"sidereal_longitude":227.34949400000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":321.39939400000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":80.767694,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"venus":{"sidereal_longitude":358.67339400000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":312.82369399999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":8.9166,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":188.9166,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1670,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2331060.770833,"kali_year":4771,"ahargana":1742595.2708,"sun":{"sidereal_longitude":308.3764,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":244.0878,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":295.7114,"elapsed_within_tithi_degrees":7.7114},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":244.0878,"elapsed_within_degrees":4.0878},"yoga":{"number":15,"name":"Vajra","sum_longitude":192.4642},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.693,"elongation":64.289},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.693,"opposition_distance":115.711}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:38","sunsetLocal":"17:54","solarNoonLocal":"12:16","dayLengthHours":11.263742830363666,"dayLengthDisplay":"11 Hours 15 Mins 49 Secs","nightLengthDisplay":"12 Hours 44 Mins 11 Secs","moonriseLocal":"02:33","moonsetLocal":"13:00","rahuKala":{"name":"Rāhu Kāla","start":"09:27","end":"10:51","startHours":9.446648643199085,"endHours":10.854616496994542,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:40","end":"15:05","startHours":13.670552204585459,"endHours":15.078520058380917,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:38","end":"08:02","startHours":6.630712935608168,"endHours":8.038680789403626,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:38","startHours":9.258919596026356,"endHours":9.634377690371812,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:06","end":"07:24","startHours":7.100035553539987,"endHours":7.400402029016352,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.887126256444544,"endHours":12.638042445135456,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:08","end":"05:53","startHours":5.128880558226346,"endHours":5.879796746917257,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:42","end":"06:38","startHours":5.692067699744529,"endHours":6.630712935608168,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:53","startHours":14.139874822517278,"endHours":14.89079101120819,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:42","end":"18:06","startHours":17.694455765971835,"endHours":18.094455765971833,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:54","end":"18:22","startHours":17.894455765971834,"endHours":18.363778383903654,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:39","end":"19:24","startHours":17.644455765971834,"endHours":19.394455765971834,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.887126256444546,"endHours":24.638042445135454,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:38","end":"08:02","startHours":6.630712935608168,"endHours":8.038680789403626,"quality":"inauspicious"},{"name":"Śubha","start":"08:02","end":"09:27","startHours":8.038680789403626,"endHours":9.446648643199085,"quality":"auspicious"},{"name":"Roga","start":"09:27","end":"10:51","startHours":9.446648643199085,"endHours":10.854616496994542,"quality":"inauspicious"},{"name":"Udveg","start":"10:51","end":"12:16","startHours":10.854616496994542,"endHours":12.26258435079,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:40","startHours":12.26258435079,"endHours":13.670552204585459,"quality":"neutral"},{"name":"Labha","start":"13:40","end":"15:05","startHours":13.670552204585459,"endHours":15.078520058380917,"quality":"auspicious"},{"name":"Amṛta","start":"15:05","end":"16:29","startHours":15.078520058380917,"endHours":16.486487912176376,"quality":"auspicious"},{"name":"Kāla","start":"16:29","end":"17:54","startHours":16.486487912176376,"endHours":17.894455765971834,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:54","end":"19:29","startHours":17.894455765971834,"endHours":19.486487912176376,"quality":"auspicious"},{"name":"Amṛta","start":"19:29","end":"21:05","startHours":19.486487912176376,"endHours":21.078520058380917,"quality":"auspicious"},{"name":"Kāla","start":"21:05","end":"22:40","startHours":21.078520058380917,"endHours":22.67055220458546,"quality":"inauspicious"},{"name":"Śubha","start":"22:40","end":"00:16","startHours":22.67055220458546,"endHours":24.26258435079,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"01:51","startHours":24.26258435079,"endHours":25.85461649699454,"quality":"inauspicious"},{"name":"Udveg","start":"01:51","end":"03:27","startHours":25.85461649699454,"endHours":27.446648643199083,"quality":"inauspicious"},{"name":"Chala","start":"03:27","end":"05:02","startHours":27.446648643199083,"endHours":29.038680789403628,"quality":"neutral"},{"name":"Labha","start":"05:02","end":"06:38","startHours":29.038680789403628,"endHours":30.630712935608166,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:38","end":"07:38","startHours":6.630712935608168,"endHours":7.630712935608168,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:38","end":"08:38","startHours":7.630712935608168,"endHours":8.630712935608168,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:38","end":"09:38","startHours":8.630712935608168,"endHours":9.630712935608168,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:38","end":"10:38","startHours":9.630712935608168,"endHours":10.630712935608168,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:38","end":"11:38","startHours":10.630712935608168,"endHours":11.630712935608168,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:38","end":"12:38","startHours":11.630712935608168,"endHours":12.630712935608168,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:38","end":"13:38","startHours":12.630712935608168,"endHours":13.630712935608168,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:38","end":"14:38","startHours":13.630712935608168,"endHours":14.630712935608168,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:38","end":"15:38","startHours":14.630712935608168,"endHours":15.630712935608168,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:38","end":"16:38","startHours":15.630712935608168,"endHours":16.630712935608166,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:38","end":"17:38","startHours":16.630712935608166,"endHours":17.630712935608166,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:38","end":"18:38","startHours":17.630712935608166,"endHours":18.630712935608166,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:38","end":"19:38","startHours":18.630712935608166,"endHours":19.630712935608166,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:38","end":"20:38","startHours":19.630712935608166,"endHours":20.630712935608166,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:38","end":"21:38","startHours":20.630712935608166,"endHours":21.630712935608166,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:38","end":"22:38","startHours":21.630712935608166,"endHours":22.630712935608166,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:38","end":"23:38","startHours":22.630712935608166,"endHours":23.630712935608166,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:38","end":"00:38","startHours":23.630712935608166,"endHours":24.630712935608166,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:38","end":"01:38","startHours":24.630712935608166,"endHours":25.630712935608166,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:38","end":"02:38","startHours":25.630712935608166,"endHours":26.630712935608166,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:38","end":"03:38","startHours":26.630712935608166,"endHours":27.630712935608166,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:38","end":"04:38","startHours":27.630712935608166,"endHours":28.630712935608166,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:38","end":"05:38","startHours":28.630712935608166,"endHours":29.630712935608166,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:38","end":"06:38","startHours":29.630712935608166,"endHours":30.630712935608166,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.601049778605468,"eotMinutes":-14.571061047399978,"ayanamsa":19.2449}},"calendars":{"vikram_samvat":1727,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1592,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1077,"malayalam_era":846,"nanakshahi_year":201,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","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 Kṛṣṇa Daśamī · Vikram 1727 Rudhirodgāri · Śaka 1592 Sādhāraṇa"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 15, 1670 CE · Ayodhyā · Vidhyamitra","description":"February 15, 1670 CE for Ayodhyā: Kṛṣṇa Daśamī, sūryodaya 06:38, sūryāsta 17:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1670-02-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1670-02-15","sa":"https://sa.vidhyamitra.com/city/ayodhya/1670-02-15","hi":"https://hi.vidhyamitra.com/city/ayodhya/1670-02-15","x-default":"https://vidhyamitra.com/city/ayodhya/1670-02-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T14:47:46.595Z","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":"2026-06-04T14:47:46.595Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T14:47:46.595Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}