{"id":"vidhyamitra:city-day:ayodhya:1787-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1787-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1787-02-17","date_display":"February 17, 1787 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":1787,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2373795.770833,"kali_year":4888,"ahargana":1785330.2708,"sun":{"sidereal_longitude":308.0987,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":294.143,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.0444,"elapsed_within_tithi_degrees":10.0444},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":294.143,"elapsed_within_degrees":0.8097},"yoga":{"number":19,"name":"Parigha","sum_longitude":242.2417},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":1787,"month":2,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2373795.770833,"ahargana":1785330.2708,"kali_year":4888,"ayanamsa_lahiri":20.8794,"grahas":{"sun":{"sidereal_longitude":307.48250299999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":294.505303,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":2.2164},"mars":{"sidereal_longitude":282.4276030000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":300.3443030000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":26.154502999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":267.49890300000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":302.346903,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":264.6106,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":84.6106,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"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":1787,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2373795.770833,"kali_year":4888,"ahargana":1785330.2708,"sun":{"sidereal_longitude":308.0987,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":294.143,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.0444,"elapsed_within_tithi_degrees":10.0444},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":294.143,"elapsed_within_degrees":0.8097},"yoga":{"number":19,"name":"Parigha","sum_longitude":242.2417},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.216,"elongation":13.956},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.216,"opposition_distance":166.044}},"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":"06:37","sunsetLocal":"17:55","solarNoonLocal":"12:16","dayLengthHours":11.303081048918102,"dayLengthDisplay":"11 Hours 18 Mins 11 Secs","nightLengthDisplay":"12 Hours 41 Mins 49 Secs","moonriseLocal":"05:55","moonsetLocal":"16:53","rahuKala":{"name":"Rāhu Kāla","start":"09:26","end":"10:51","startHours":9.435505876959411,"endHours":10.848391008074174,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:40","end":"15:05","startHours":13.6741612703037,"endHours":15.087046401418462,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:37","end":"08:01","startHours":6.6097356147298845,"endHours":8.022620745844648,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:37","startHours":9.247121192810775,"endHours":9.623890561108045,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:05","end":"07:23","startHours":7.080697325101472,"endHours":7.382112819739288,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.884506770891667,"endHours":12.638045507486206,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:06","end":"05:51","startHours":5.102658141540804,"endHours":5.856196878135345,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:40","end":"06:37","startHours":5.667812193986709,"endHours":6.6097356147298845,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:54","startHours":14.145122980675286,"endHours":14.898661717269826,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:43","end":"18:07","startHours":17.71281666364799,"endHours":18.112816663647987,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:55","end":"18:23","startHours":17.912816663647988,"endHours":18.383778374019574,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:40","end":"19:25","startHours":17.662816663647988,"endHours":19.412816663647988,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.884506770891665,"endHours":24.638045507486208,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:37","end":"08:01","startHours":6.6097356147298845,"endHours":8.022620745844648,"quality":"inauspicious"},{"name":"Śubha","start":"08:01","end":"09:26","startHours":8.022620745844648,"endHours":9.435505876959411,"quality":"auspicious"},{"name":"Roga","start":"09:26","end":"10:51","startHours":9.435505876959411,"endHours":10.848391008074174,"quality":"inauspicious"},{"name":"Udveg","start":"10:51","end":"12:16","startHours":10.848391008074174,"endHours":12.261276139188936,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:40","startHours":12.261276139188936,"endHours":13.6741612703037,"quality":"neutral"},{"name":"Labha","start":"13:40","end":"15:05","startHours":13.6741612703037,"endHours":15.087046401418462,"quality":"auspicious"},{"name":"Amṛta","start":"15:05","end":"16:30","startHours":15.087046401418462,"endHours":16.499931532533225,"quality":"auspicious"},{"name":"Kāla","start":"16:30","end":"17:55","startHours":16.499931532533225,"endHours":17.912816663647988,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:55","end":"19:30","startHours":17.912816663647988,"endHours":19.499931532533225,"quality":"auspicious"},{"name":"Amṛta","start":"19:30","end":"21:05","startHours":19.499931532533225,"endHours":21.087046401418462,"quality":"auspicious"},{"name":"Kāla","start":"21:05","end":"22:40","startHours":21.087046401418462,"endHours":22.6741612703037,"quality":"inauspicious"},{"name":"Śubha","start":"22:40","end":"00:16","startHours":22.6741612703037,"endHours":24.261276139188936,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"01:51","startHours":24.261276139188936,"endHours":25.848391008074174,"quality":"inauspicious"},{"name":"Udveg","start":"01:51","end":"03:26","startHours":25.848391008074174,"endHours":27.43550587695941,"quality":"inauspicious"},{"name":"Chala","start":"03:26","end":"05:01","startHours":27.43550587695941,"endHours":29.022620745844648,"quality":"neutral"},{"name":"Labha","start":"05:01","end":"06:37","startHours":29.022620745844648,"endHours":30.609735614729885,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:37","end":"07:37","startHours":6.6097356147298845,"endHours":7.6097356147298845,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:37","end":"08:37","startHours":7.6097356147298845,"endHours":8.609735614729885,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:37","end":"09:37","startHours":8.609735614729885,"endHours":9.609735614729885,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:37","end":"10:37","startHours":9.609735614729885,"endHours":10.609735614729885,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:37","end":"11:37","startHours":10.609735614729885,"endHours":11.609735614729885,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:37","end":"12:37","startHours":11.609735614729885,"endHours":12.609735614729885,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:37","end":"13:37","startHours":12.609735614729885,"endHours":13.609735614729885,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:37","end":"14:37","startHours":13.609735614729885,"endHours":14.609735614729885,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:37","end":"15:37","startHours":14.609735614729885,"endHours":15.609735614729885,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:37","end":"16:37","startHours":15.609735614729885,"endHours":16.609735614729885,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:37","end":"17:37","startHours":16.609735614729885,"endHours":17.609735614729885,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:37","end":"18:37","startHours":17.609735614729885,"endHours":18.609735614729885,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:37","end":"19:37","startHours":18.609735614729885,"endHours":19.609735614729885,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:37","end":"20:37","startHours":19.609735614729885,"endHours":20.609735614729885,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:37","end":"21:37","startHours":20.609735614729885,"endHours":21.609735614729885,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:37","end":"22:37","startHours":21.609735614729885,"endHours":22.609735614729885,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:37","end":"23:37","startHours":22.609735614729885,"endHours":23.609735614729885,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:37","end":"00:37","startHours":23.609735614729885,"endHours":24.609735614729885,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:37","end":"01:37","startHours":24.609735614729885,"endHours":25.609735614729885,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:37","end":"02:37","startHours":25.609735614729885,"endHours":26.609735614729885,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:37","end":"03:37","startHours":26.609735614729885,"endHours":27.609735614729885,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:37","end":"04:37","startHours":27.609735614729885,"endHours":28.609735614729885,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:37","end":"05:37","startHours":28.609735614729885,"endHours":29.609735614729885,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:37","end":"06:37","startHours":29.609735614729885,"endHours":30.609735614729885,"planetary_lord":"Mercury"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.042161147452523,"eotMinutes":-14.492568351336082,"ayanamsa":20.8794}},"calendars":{"vikram_samvat":1844,"vikram_samvatsara":"Raudra","saka_samvat":1709,"saka_samvatsara":"Plavaṅga","bengali_samvat":1194,"malayalam_era":963,"nanakshahi_year":318,"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 Caturdaśī · Vikram 1844 Raudra · Śaka 1709 Plavaṅga"},"festivals":[{"id":"maha-shivaratri","name":"Mahā Śivarātri","name_sanskrit":"महा शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"The greatest night of Lord Śiva; cosmic dance of dissolution.","vrata":true,"primary_observance":"Strict fast + night-long vigil + 4-yāma pūjā","detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"precedence":1},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"maha-shivaratri-walk","name":"Mahā Śivarātri Walk","name_sanskrit":"महा शिवरात्रि यात्रा","type":"festival","description":"Śiva-stuti through Bhāgavata + Mahābhārata Anuśāsana.","step_count":12,"url":"/walk/maha-shivaratri-walk"},"reason":"Today is Mahā Śivarātri — its dedicated 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 17, 1787 CE · Ayodhyā · Vidhyamitra","description":"February 17, 1787 CE for Ayodhyā: Kṛṣṇa Caturdaśī, sūryodaya 06:37, sūryāsta 17:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1787-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1787-02-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/1787-02-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/1787-02-17","x-default":"https://vidhyamitra.com/city/ayodhya/1787-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:45:27.059Z","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":"2026-05-31T03:45:27.059Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:45:27.059Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}