{"id":"vidhyamitra:city-day:ayodhya:1688-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1688-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1688-01-21","date_display":"January 21, 1688 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":1688,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2337609.770833,"kali_year":4789,"ahargana":1749144.2708,"sun":{"sidereal_longitude":282.2475,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":144.0214,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.7739,"elapsed_within_tithi_degrees":5.7739},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":144.0214,"elapsed_within_degrees":10.6881},"yoga":{"number":5,"name":"Śobhana","sum_longitude":66.2688},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1688,"month":1,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2337609.770833,"ahargana":1749144.2708,"kali_year":4789,"ayanamsa_lahiri":19.4954,"grahas":{"sun":{"sidereal_longitude":281.54797400000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":140.56847400000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":3.8108},"mars":{"sidereal_longitude":1.1857739999999808,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":261.3404740000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":266.577274,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":239.31487399999992,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":189.44887399999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":21.9191,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":201.9191,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1688,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2337609.770833,"kali_year":4789,"ahargana":1749144.2708,"sun":{"sidereal_longitude":282.2475,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":144.0214,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.7739,"elapsed_within_tithi_degrees":5.7739},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":144.0214,"elapsed_within_degrees":10.6881},"yoga":{"number":5,"name":"Śobhana","sum_longitude":66.2688},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.811,"elongation":138.226},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.811,"opposition_distance":41.774}},"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":"06:51","sunsetLocal":"17:34","solarNoonLocal":"12:12","dayLengthHours":10.727810122149663,"dayLengthDisplay":"10 Hours 43 Mins 40 Secs","nightLengthDisplay":"13 Hours 16 Mins 20 Secs","moonriseLocal":"20:30","moonsetLocal":"09:07","rahuKala":{"name":"Rāhu Kāla","start":"12:12","end":"13:33","startHours":12.207328854152202,"endHours":13.54830511942091,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:11","end":"09:32","startHours":8.184400058346078,"endHours":9.525376323614786,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:52","end":"12:12","startHours":10.866352588883494,"endHours":12.207328854152202,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.346579488245625,"endHours":9.704173158983949,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:35","startHours":7.290415881500274,"endHours":7.576490818090932,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:34","startHours":11.84973518341388,"endHours":12.564922524890523,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:25","end":"06:08","startHours":5.413049110124083,"endHours":6.128236451600727,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:57","end":"06:51","startHours":5.949439616231566,"endHours":6.843423793077371,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:43","startHours":13.995297207843812,"endHours":14.710484549320457,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:22","end":"17:46","startHours":17.371233915227034,"endHours":17.771233915227032,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:34","end":"18:01","startHours":17.571233915227033,"endHours":18.018226003649936,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:19","end":"19:04","startHours":17.321233915227033,"endHours":19.071233915227033,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:34","startHours":23.84973518341388,"endHours":24.564922524890523,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:51","end":"08:11","startHours":6.843423793077371,"endHours":8.184400058346078,"quality":"auspicious"},{"name":"Amṛta","start":"08:11","end":"09:32","startHours":8.184400058346078,"endHours":9.525376323614786,"quality":"auspicious"},{"name":"Kāla","start":"09:32","end":"10:52","startHours":9.525376323614786,"endHours":10.866352588883494,"quality":"inauspicious"},{"name":"Śubha","start":"10:52","end":"12:12","startHours":10.866352588883494,"endHours":12.207328854152202,"quality":"auspicious"},{"name":"Roga","start":"12:12","end":"13:33","startHours":12.207328854152202,"endHours":13.54830511942091,"quality":"inauspicious"},{"name":"Udveg","start":"13:33","end":"14:53","startHours":13.54830511942091,"endHours":14.889281384689617,"quality":"inauspicious"},{"name":"Chala","start":"14:53","end":"16:14","startHours":14.889281384689617,"endHours":16.230257649958325,"quality":"neutral"},{"name":"Labha","start":"16:14","end":"17:34","startHours":16.230257649958325,"endHours":17.571233915227033,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:34","end":"19:14","startHours":17.571233915227033,"endHours":19.230257649958325,"quality":"inauspicious"},{"name":"Chala","start":"19:14","end":"20:53","startHours":19.230257649958325,"endHours":20.889281384689617,"quality":"neutral"},{"name":"Labha","start":"20:53","end":"22:33","startHours":20.889281384689617,"endHours":22.54830511942091,"quality":"auspicious"},{"name":"Amṛta","start":"22:33","end":"00:12","startHours":22.54830511942091,"endHours":24.207328854152202,"quality":"auspicious"},{"name":"Kāla","start":"00:12","end":"01:52","startHours":24.207328854152202,"endHours":25.866352588883494,"quality":"inauspicious"},{"name":"Śubha","start":"01:52","end":"03:32","startHours":25.866352588883494,"endHours":27.525376323614786,"quality":"auspicious"},{"name":"Roga","start":"03:32","end":"05:11","startHours":27.525376323614786,"endHours":29.18440005834608,"quality":"inauspicious"},{"name":"Udveg","start":"05:11","end":"06:51","startHours":29.18440005834608,"endHours":30.84342379307737,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.843423793077371,"endHours":7.843423793077371,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.843423793077371,"endHours":8.84342379307737,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.84342379307737,"endHours":9.84342379307737,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.84342379307737,"endHours":10.84342379307737,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.84342379307737,"endHours":11.84342379307737,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.84342379307737,"endHours":12.84342379307737,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.84342379307737,"endHours":13.84342379307737,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.84342379307737,"endHours":14.84342379307737,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.84342379307737,"endHours":15.84342379307737,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.84342379307737,"endHours":16.84342379307737,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.84342379307737,"endHours":17.84342379307737,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.84342379307737,"endHours":18.84342379307737,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.84342379307737,"endHours":19.84342379307737,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.84342379307737,"endHours":20.84342379307737,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.84342379307737,"endHours":21.84342379307737,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.84342379307737,"endHours":22.84342379307737,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.84342379307737,"endHours":23.84342379307737,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.84342379307737,"endHours":24.84342379307737,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.84342379307737,"endHours":25.84342379307737,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.84342379307737,"endHours":26.84342379307737,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.84342379307737,"endHours":27.84342379307737,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.84342379307737,"endHours":28.84342379307737,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.84342379307737,"endHours":29.84342379307737,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.84342379307737,"endHours":30.84342379307737,"planetary_lord":"Sun"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.923677108740065,"eotMinutes":-11.255731249132124,"ayanamsa":19.4954}},"calendars":{"vikram_samvat":1745,"vikram_samvatsara":"Vṛṣa","saka_samvat":1610,"saka_samvatsara":"Vibhava","bengali_samvat":1095,"malayalam_era":864,"nanakshahi_year":219,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturthī · Vikram 1745 Vṛṣa · Śaka 1610 Vibhava"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 January 21, 1688 CE · Ayodhyā · Vidhyamitra","description":"January 21, 1688 CE for Ayodhyā: Kṛṣṇa Caturthī, sūryodaya 06:51, sūryāsta 17:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1688-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1688-01-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/1688-01-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/1688-01-21","x-default":"https://vidhyamitra.com/city/ayodhya/1688-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T01:52:42.762Z","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":"2026-06-03T01:52:42.762Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T01:52:42.762Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}