{"id":"vidhyamitra:city-day:ayodhya:1670-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1670-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1670-05-18","date_display":"May 18, 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":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2331152.770833,"kali_year":4772,"ahargana":1742687.2708,"sun":{"sidereal_longitude":38.6701,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":26.1727,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":347.5026,"elapsed_within_tithi_degrees":11.5026},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":26.1727,"elapsed_within_degrees":12.8394},"yoga":{"number":5,"name":"Śobhana","sum_longitude":64.8428},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2331152.770833,"ahargana":1742687.2708,"kali_year":4772,"ayanamsa_lahiri":19.2484,"grahas":{"sun":{"sidereal_longitude":37.965079,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":23.43617899999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false,"latitude":1.6938},"mars":{"sidereal_longitude":261.67397900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":34.87887899999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":88.75387899999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":9.615179000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":321.743379,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":4.042,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":184.042,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":1670,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2331152.770833,"kali_year":4772,"ahargana":1742687.2708,"sun":{"sidereal_longitude":38.6701,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":26.1727,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":347.5026,"elapsed_within_tithi_degrees":11.5026},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":26.1727,"elapsed_within_degrees":12.8394},"yoga":{"number":5,"name":"Śobhana","sum_longitude":64.8428},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.694,"elongation":12.497},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.694,"opposition_distance":167.503}},"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":"05:12","sunsetLocal":"18:43","solarNoonLocal":"11:57","dayLengthHours":13.510927879578023,"dayLengthDisplay":"13 Hours 30 Mins 39 Secs","nightLengthDisplay":"10 Hours 29 Mins 21 Secs","moonriseLocal":"04:24","moonsetLocal":"17:35","rahuKala":{"name":"Rāhu Kāla","start":"17:01","end":"18:43","startHours":17.024844918333933,"endHours":18.713710903281186,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:57","end":"13:39","startHours":11.958246963492172,"endHours":13.647112948439425,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:20","end":"17:01","startHours":15.33597893338668,"endHours":17.024844918333933,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:48","startHours":8.355332862271368,"endHours":8.805697124923967,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:46","end":"06:08","startHours":5.7657383520189125,"endHours":6.126029762140993,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:30","end":"12:25","startHours":11.507882700839573,"endHours":12.408611226144775,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:24","end":"04:18","startHours":3.4013259730927583,"endHours":4.302054498397959,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:12","startHours":4.07687236707166,"endHours":5.202783023703161,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:07","startHours":14.210068276755177,"endHours":15.110796802060378,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:31","end":"18:55","startHours":18.513710903281186,"endHours":18.913710903281185,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:43","end":"19:17","startHours":18.713710903281186,"endHours":19.276666231596938,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:28","end":"20:13","startHours":18.463710903281186,"endHours":20.213710903281186,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:30","end":"00:25","startHours":23.50788270083957,"endHours":24.408611226144775,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:12","end":"06:53","startHours":5.202783023703161,"endHours":6.891649008650415,"quality":"inauspicious"},{"name":"Chala","start":"06:53","end":"08:35","startHours":6.891649008650415,"endHours":8.580514993597667,"quality":"neutral"},{"name":"Labha","start":"08:35","end":"10:16","startHours":8.580514993597667,"endHours":10.26938097854492,"quality":"auspicious"},{"name":"Amṛta","start":"10:16","end":"11:57","startHours":10.26938097854492,"endHours":11.958246963492172,"quality":"auspicious"},{"name":"Kāla","start":"11:57","end":"13:39","startHours":11.958246963492172,"endHours":13.647112948439425,"quality":"inauspicious"},{"name":"Śubha","start":"13:39","end":"15:20","startHours":13.647112948439425,"endHours":15.33597893338668,"quality":"auspicious"},{"name":"Roga","start":"15:20","end":"17:01","startHours":15.33597893338668,"endHours":17.024844918333933,"quality":"inauspicious"},{"name":"Udveg","start":"17:01","end":"18:43","startHours":17.024844918333933,"endHours":18.713710903281186,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:43","end":"20:01","startHours":18.713710903281186,"endHours":20.024844918333933,"quality":"auspicious"},{"name":"Roga","start":"20:01","end":"21:20","startHours":20.024844918333933,"endHours":21.33597893338668,"quality":"inauspicious"},{"name":"Udveg","start":"21:20","end":"22:39","startHours":21.33597893338668,"endHours":22.64711294843943,"quality":"inauspicious"},{"name":"Chala","start":"22:39","end":"23:57","startHours":22.64711294843943,"endHours":23.958246963492172,"quality":"neutral"},{"name":"Labha","start":"23:57","end":"01:16","startHours":23.958246963492172,"endHours":25.269380978544923,"quality":"auspicious"},{"name":"Amṛta","start":"01:16","end":"02:35","startHours":25.269380978544923,"endHours":26.580514993597667,"quality":"auspicious"},{"name":"Kāla","start":"02:35","end":"03:53","startHours":26.580514993597667,"endHours":27.891649008650415,"quality":"inauspicious"},{"name":"Śubha","start":"03:53","end":"05:12","startHours":27.891649008650415,"endHours":29.202783023703162,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:12","end":"06:12","startHours":5.202783023703161,"endHours":6.202783023703161,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:12","end":"07:12","startHours":6.202783023703161,"endHours":7.202783023703161,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:12","end":"08:12","startHours":7.202783023703161,"endHours":8.202783023703162,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:12","end":"09:12","startHours":8.202783023703162,"endHours":9.202783023703162,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:12","end":"10:12","startHours":9.202783023703162,"endHours":10.202783023703162,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:12","end":"11:12","startHours":10.202783023703162,"endHours":11.202783023703162,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:12","end":"12:12","startHours":11.202783023703162,"endHours":12.202783023703162,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:12","end":"13:12","startHours":12.202783023703162,"endHours":13.202783023703162,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:12","end":"14:12","startHours":13.202783023703162,"endHours":14.202783023703162,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:12","end":"15:12","startHours":14.202783023703162,"endHours":15.202783023703162,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:12","end":"16:12","startHours":15.202783023703162,"endHours":16.202783023703162,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:12","end":"17:12","startHours":16.202783023703162,"endHours":17.202783023703162,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:12","end":"18:12","startHours":17.202783023703162,"endHours":18.202783023703162,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:12","end":"19:12","startHours":18.202783023703162,"endHours":19.202783023703162,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:12","end":"20:12","startHours":19.202783023703162,"endHours":20.202783023703162,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:12","end":"21:12","startHours":20.202783023703162,"endHours":21.202783023703162,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:12","end":"22:12","startHours":21.202783023703162,"endHours":22.202783023703162,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:12","end":"23:12","startHours":22.202783023703162,"endHours":23.202783023703162,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:12","end":"00:12","startHours":23.202783023703162,"endHours":24.202783023703162,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:12","end":"01:12","startHours":24.202783023703162,"endHours":25.202783023703162,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:12","end":"02:12","startHours":25.202783023703162,"endHours":26.202783023703162,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:12","end":"03:12","startHours":26.202783023703162,"endHours":27.202783023703162,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:12","end":"04:12","startHours":27.202783023703162,"endHours":28.202783023703162,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:12","end":"05:12","startHours":28.202783023703162,"endHours":29.202783023703162,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.534311634404087,"eotMinutes":3.6891821904695723,"ayanamsa":19.2484}},"calendars":{"vikram_samvat":1727,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1592,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1077,"malayalam_era":846,"nanakshahi_year":201,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Caturdaśī · Vikram 1727 Rudhirodgāri · Śaka 1592 Sādhāraṇa"},"festivals":[{"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 May 18, 1670 CE · Ayodhyā · Vidhyamitra","description":"May 18, 1670 CE for Ayodhyā: Kṛṣṇa Caturdaśī, sūryodaya 05:12, sūryāsta 18:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1670-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1670-05-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1670-05-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1670-05-18","x-default":"https://vidhyamitra.com/city/ayodhya/1670-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T11:25:10.205Z","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":"2026-06-04T11:25:10.205Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T11:25:10.205Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}